Cologne (English Wikipedia)

"High-speed trains to link England and Germany". Brisbane Times. 16 October 2011. Archived from the original on 21 June 2012. Retrieved 26 January 2012.

britannica.com (Global: 37^th place; English: 64^th place)

"Cologne – History". Encyclopedia Britannica. Archived from the original on 24 June 2020. Retrieved 9 June 2020.
"Cologne". Encyclopædia Britannica. Archived from the original on 2 February 2012. Retrieved 2 June 2022.

c-o-pop.de (Global: low place; English: low place)

"C/o Pop Official Website". Archived from the original on 13 December 2010. Retrieved 2 May 2010.

cologne-tourism.com (Global: low place; English: low place)

"Tourism results for 2016: Moderate decrease in visitor numbers due to difficult general conditions". KölnTourismus. 21 February 2017. Archived from the original on 13 September 2017. Retrieved 13 September 2017.
"Productions 'made in Cologne'". Cologne Tourism. Archived from the original on 8 August 2010. Retrieved 22 April 2011.

cologne.de (Global: low place; English: low place)

"Facts and figures". City of Cologne. Archived from the original on 3 May 2019. Retrieved 3 May 2019.
"Nightlife". KölnTourismus. Archived from the original on 13 September 2017. Retrieved 13 September 2017.
"Sport and relaxation". Cologne Tourist Information. Archived from the original on 4 April 2013. Retrieved 13 March 2013.

derwesten.de (Global: 5,603^rd place; English: 6,536^th place)

"1075 Anzeigen nach Kölner Silvesternacht – 73 Verdächtige" [1,075 assaults by Cologne New Year's Eve – 73 suspects]. Westdeutsche Allgemeine Zeitung (in German). 15 February 2016. Archived from the original on 16 February 2016. Retrieved 15 February 2016.

dw-world.de (Global: 3,113^th place; English: 5,199^th place)

Serup-Bilfeldt, Kirsten (19 August 2005). "Cologne: Germany's Oldest Jewish Community". Deutsche Welle. Retrieved 6 September 2011.

dw.com (Global: 205^th place; English: 320^th place)

"German Jewish culture through the ages – DW – 02/19/2021". dw.com. Retrieved 2 August 2023.
Deutsche Welle. "Cologne becomes first big German city to declare climate emergency". Deutsche Welle. Archived from the original on 11 July 2019. Retrieved 18 July 2019.

dwd.de (Global: 3,372^nd place; English: 4,407^th place)

"Wetter und Klima – Deutscher Wetterdienst – Stadtklima Köln – Klimawandelgerechte Metropole Köln – Strategie zur Anpassung an den Klimawandel (KÖLN_21)". www.dwd.de. Archived from the original on 4 June 2021. Retrieved 20 January 2021.
"Wetter und Klima – Deutscher Wetterdienst – CDC (Climate Data Center)". www.dwd.de. Archived from the original on 19 June 2022. Retrieved 20 January 2021.
"Ausgabe der Klimadaten: Monatswerte".

fazemag.de (Global: low place; English: low place)

"Clubstudie 2021: Initiative Musik legt Einzelauswertungen der Bundesländer vor" [Club Study 2021: Initiative Musik presents individual evaluations of the German federal states]. Faze Magazin (in German). 20 September 2021. Archived from the original on 3 January 2022. Retrieved 6 January 2022.

fc-koeln.de (Global: low place; English: low place)

"The RheinEnergie Stadium". 1. FC Köln. Archived from the original on 17 March 2011. Retrieved 20 April 2011.

files.wordpress.com (Global: 965^th place; English: 868^th place)

kartenseite.files.wordpress.com

"Muslime in den Großstädten beim Zensus 2011" (PDF). Archived from the original (PDF) on 19 December 2018. Retrieved 19 December 2018.

flightglobal.com (Global: 222^nd place; English: 157^th place)

"bomber command – mines laid – flight august – 1946 – 1571 – Flight Archive". Archived from the original on 4 July 2019.

ford.de (Global: low place; English: low place)

"Über Ford – Standorte". Ford Germany (in German). Archived from the original on 29 June 2009. Retrieved 20 June 2009.

goethe.de (Global: 4,990^th place; English: 6,289^th place)

"goethe.de". goethe.de. Archived from the original on 26 July 2011. Retrieved 8 August 2010.

hgk.de (Global: low place; English: low place)

"Häfen und Güterverkehr Köln AG". Hgk.de. Archived from the original on 19 July 2011. Retrieved 8 August 2010.

hochwasserschutz.de (Global: low place; English: low place)

"Flood Defence Scheme City of Cologne" (PDF). Archived from the original (PDF) on 24 March 2009. Retrieved 20 March 2009.

hrwallingford.co.uk (Global: low place; English: low place)

Gocht, Martin; Vogt, Reinhard. "Flood Forecasting and Flood Defence in Cologne" (PDF). Mitigation of Climate Induced Natural Hazards (MITCH). Archived from the original (PDF) on 24 March 2009. Retrieved 20 March 2009.

initiative-musik.de (Global: low place; English: low place)

"Clubstudie 2021: Einzelauswertungen der Bundesländer" [Club Study 2021: Individual evaluations of the German federal states]. Initiative Musik (in German). 20 September 2021. Archived from the original on 3 January 2022. Retrieved 6 January 2022.

isites.harvard.edu (Global: low place; English: low place)

Diego Puga & Daniel Trefler (30 November 2009). "International trade and institutional change: A death in Venice" (PDF). Archived from the original (PDF) on 3 September 2015. Retrieved 5 October 2014.

iwkoeln.de (Global: low place; English: low place)

Institut der deutschen Wirtschaft Kölm. "Kölner Digitalwirtschaft gut aufgestellt". Archived from the original on 28 October 2016. Retrieved 28 October 2016.

jta.org (Global: 1,385^th place; English: 763^rd place)

Lipshiz, Cnaan (10 December 2018). "Soviet immigration, once a bane of Germany's Jews, has become their salvation". Jewish Telegraphic Agency. Archived from the original on 10 December 2018. Retrieved 29 October 2020.

knight.org (Global: low place; English: low place)

"CATHOLIC ENCYCLOPEDIA: Cologne". knight.org. Archived from the original on 20 April 2019. Retrieved 20 April 2019.

koeln-comedy.de (Global: low place; English: low place)

"Cologne Comedy Festival website". Koeln-comedy.de. 21 October 2007. Archived from the original on 19 July 2011. Retrieved 5 May 2009.

koeln.de (Global: low place; English: low place)

"From Ubii village to metropolis". City of Cologne. Archived from the original on 17 April 2012.
"Economy". KölnTourismus. Archived from the original on 1 August 2010. Retrieved 18 April 2011.
"Cologne at a glance". City of Cologne. Archived from the original on 25 May 2012. Retrieved 17 April 2011.
"Green Cologne". KölnTourismus. Archived from the original on 18 January 2012. Retrieved 17 April 2011.

koelnarchitektur.de (Global: low place; English: low place)

"on the reconstruction of Cologne". Koelnarchitektur. 15 July 2003. Archived from the original on 1 February 2022. Retrieved 24 July 2009.

koelner-dom.de (Global: low place; English: low place)

"Offizielle Webseite des Kölner Doms | Bedeutende Werke". Koelner-dom.de. Archived from the original on 3 July 2009. Retrieved 5 May 2009.

koelner-philharmonie.de (Global: low place; English: low place)

"Kölner Philharmonie". 11 December 2007. Archived from the original on 11 December 2007. Retrieved 8 August 2010.

kvb-koeln.de (Global: low place; English: low place)

"Kölner Verkehrsbetriebe (KVB)". Kvb-koeln.de. Archived from the original on 21 April 2008. Retrieved 24 July 2009.

lyke2drink.blogspot.com (Global: low place; English: low place)

"A Quick Visit to Cologne: Kolsch Anyone?". Lyke2Drink. 21 August 2009. Archived from the original on 4 November 2011.

megalithic.co.uk (Global: 8,511^th place; English: 6,400^th place)

Hogan, C. Michael (17 December 2007). Burnham, Andy (ed.). "Cologne Wharf - Ancient Mine, Quarry or other Industry in Germany in North Rhine-Westphalia". The Megalithic Portal. Archived from the original on 21 September 2011.

museenkoeln.de (Global: low place; English: low place)

"NS-Dokumentationszentrum Köln - During the war". museenkoeln.de. NS-Documentation Center of the City of Cologne. Retrieved 6 June 2024.

nationalarchives.gov.uk (Global: 718^th place; English: 414^th place)

Archives, The National. "The National Archives | World War II | Western Europe 1939–1945: Hamburg | Why did the RAF bomb cities?". www.nationalarchives.gov.uk. Archived from the original on 7 February 2021. Retrieved 28 January 2021.

newadvent.org (Global: 530^th place; English: 466^th place)

Harry de Quetteville. "History of Cologne Archived 5 August 2011 at the Wayback Machine". The Catholic Encyclopedia, 28 November 2009.

nla.gov.au (Global: 112^th place; English: 56^th place)

trove.nla.gov.au

Claasen, Hermann; Hoyer, Franz A. (1949), Gesang im feuerofen : Köln; überreste einer alten deutschen stadt (in German) ([2. aufl.] ed.), L. Schwann, archived from the original on 28 July 2020, retrieved 6 September 2018

noaa.gov (Global: 111^th place; English: 78^th place)

nodc.noaa.gov

"World Meteorological Organization Climate Normals for 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 12 October 2023. Retrieved 12 October 2023.

nrw.de (Global: 973^rd place; English: 3,615^th place)

landesdatenbank.nrw.de

offenedaten-koeln.de (Global: low place; English: low place)

"Denkmalliste" [List of monuments]. Offene Daten Köln (in German). Retrieved 28 December 2023.

personenstandsrecht.de (Global: low place; English: low place)

"Nordrhein-Westfalen: Religions- und Weltanschauungsgemeinschaften, die auf Landesebene den Status "Körperschaft des öffentlichen Rechts" besitzen". Archived from the original on 22 August 2019. Retrieved 22 August 2019.

region-koeln-bonn.de (Global: low place; English: low place)

"Region Köln Bon". region-koeln-bonn.de. 2013. Archived from the original on 1 October 2017. Retrieved 25 September 2017.

reuters.com (Global: 38^th place; English: 30^th place)

"Lufthansa regains place as Europe's biggest airline from Ryanair". Reuters. 10 January 2018. Archived from the original on 5 December 2020. Retrieved 29 August 2019.

rote-funken.de (Global: low place; English: low place)

"Rote Funken – Kölsche Funke rut-wieß vun 1823 e.V. – Rote Funken Koeln". Rote-funken.de. Archived from the original on 12 April 2009. Retrieved 5 May 2009.

rp-online.de (Global: 1,083^rd place; English: 3,716^th place)

"In NRW behaupten sich immer mehr exotische Vögel". RP Online. 4 March 2007. Archived from the original on 17 May 2013. Retrieved 16 January 2013.

sgk.de (Global: low place; English: low place)

"Synagogen-Gemeinde Köln". Sgk.de. 26 June 1931. Archived from the original on 29 June 2016. Retrieved 8 August 2010.

stadt-koeln.de (Global: 9,631^st place; English: low place)

stadt-koeln.de

"Kölner Statistische Nachrichten 3/2022 – Statistisches Jahrbuch 2021" (PDF). stadt-koeln.de. Archived (PDF) from the original on 13 December 2022. Retrieved 13 December 2022.
"Statistisches Jahrbuch 2022" (PDF). stadt-koeln.de. Archived (PDF) from the original on 13 December 2022. Retrieved 13 December 2022.
"Statistisches Jahrbuch 2016". stadt-koeln.de. 1 February 2016. Archived from the original on 7 October 2017. Retrieved 25 September 2017.
"Wahlperiode" (in German). City of Cologne. Archived from the original on 15 June 2011. Retrieved 15 April 2011.
"Carnival – Cologne's "fifth season" – Cologne Sights & Events – Stadt Köln". 26 January 2008. Archived from the original on 25 January 2008. Retrieved 24 July 2009.
"Cologne Business Guide" (PDF). www.stadt-koeln.de. Archived from the original (PDF) on 15 December 2010.
"Cologne Adult Education Centre – City of Cologne". Stadt-koeln.de. Archived from the original on 4 November 2012. Retrieved 16 November 2012.
"Kölner Partnerstädte". stadt-koeln.de (in German). Cologne. Archived from the original on 18 April 2021. Retrieved 4 November 2020.
"Neue Städtepartnerschaft mit Dnipro". stadt-koeln.de (in German). Cologne. Retrieved 14 November 2024.

wahlen.stadt-koeln.de

"Wahlenübersicht". wahlen.stadt-koeln.de (in German). Retrieved 21 October 2025.

steb-koeln.de (Global: low place; English: low place)

"Stadtentwässerungsbetriebe Köln : Flood Management". Steb-koeln.de. Archived from the original on 17 February 2013. Retrieved 7 July 2009.

strategicmanagement.net (Global: low place; English: low place)

cologne.strategicmanagement.net

"Strategic Management Society – Cologne Conference – Cologne Information". Cologne.strategicmanagement.net. 14 October 2008. Archived from the original on 24 July 2011. Retrieved 26 July 2010.

t-online.de (Global: 1,448^th place; English: 5,601^st place)

"Köln legt Beziehung zu Wolgograd auf Eis". 3 July 2022. Retrieved 21 October 2023.

theguardian.com (Global: 16^th place; English: 11^th place)

Connolly, Kate (7 January 2016). "Tensions rise in Germany over handling of mass sexual assaults in Cologne". The Guardian. Archived from the original on 12 January 2016. Retrieved 12 January 2016.

thelocal.de (Global: 7,650^th place; English: 5,250^th place)

"Giving Beer A Home in the Rhineland". The Local. 28 July 2011. Archived from the original on 28 October 2011. Retrieved 28 July 2011.

topnews.de (Global: low place; English: low place)

"Weihnachtsmärkte: Köln ist Publikumsmagnet : Topnews". Topnews.de. Archived from the original on 12 June 2017. Retrieved 6 May 2013.

unicenterkoeln.de (Global: low place; English: low place)

"Homepage of the Uni-Center". Unicenterkoeln.de. Archived from the original on 27 March 2010. Retrieved 8 August 2010.

wahlen-in-deutschland.de (Global: low place; English: low place)

"Voting results 1919–1933 Cologne-Aachen". Wahlen-in-deutschland.de. Archived from the original on 19 July 2011. Retrieved 8 August 2010.

wahlergebnisse.nrw (Global: low place; English: low place)

Wahlergebnisse in NRW Kommunalwahlen 2025, Land Nordrhein-Westfalen, accessed 7 November 2025.

warhistoryonline.com (Global: 9,789^th place; English: 7,498^th place)

Knight, Jack (21 August 2015). "Cologne Cathedral is perhaps the single most famous tank duel?". War History Online. Archived from the original on 15 October 2019. Retrieved 15 October 2019.

web.archive.org (Global: 1^st place; English: 1^st place)

"From Ubii village to metropolis". City of Cologne. Archived from the original on 17 April 2012.
"bomber command – mines laid – flight august – 1946 – 1571 – Flight Archive". Archived from the original on 4 July 2019.
"Zensus 2011" (PDF). Statistische Landesämter. Archived from the original (PDF) on 24 June 2024. Retrieved 8 September 2025.
"Economy". KölnTourismus. Archived from the original on 1 August 2010. Retrieved 18 April 2011.
Pariona, Amber (25 April 2017). "The Largest Airlines in Europe". WorldAtlas. Archived from the original on 15 April 2021. Retrieved 29 August 2019.
"Lufthansa regains place as Europe's biggest airline from Ryanair". Reuters. 10 January 2018. Archived from the original on 5 December 2020. Retrieved 29 August 2019.
"Facts and figures". City of Cologne. Archived from the original on 3 May 2019. Retrieved 3 May 2019.
Hogan, C. Michael (17 December 2007). Burnham, Andy (ed.). "Cologne Wharf - Ancient Mine, Quarry or other Industry in Germany in North Rhine-Westphalia". The Megalithic Portal. Archived from the original on 21 September 2011.
Harry de Quetteville. "History of Cologne Archived 5 August 2011 at the Wayback Machine". The Catholic Encyclopedia, 28 November 2009.
"Rote Funken – Kölsche Funke rut-wieß vun 1823 e.V. – Rote Funken Koeln". Rote-funken.de. Archived from the original on 12 April 2009. Retrieved 5 May 2009.
United Services Magazine Archived 3 May 2023 at the Wayback Machine, December 1835
"Festung Köln". Archived from the original on 11 August 2011. Retrieved 1 April 2011.
Cologne Evacuated, Time, 15 February 1926
"Weimarer Wahlen". 11 February 2008. Archived from the original on 11 February 2008. Retrieved 24 July 2009.
"Voting results 1919–1933 Cologne-Aachen". Wahlen-in-deutschland.de. Archived from the original on 19 July 2011. Retrieved 8 August 2010.
"on the reconstruction of Cologne". Koelnarchitektur. 15 July 2003. Archived from the original on 1 February 2022. Retrieved 24 July 2009.
Archives, The National. "The National Archives | World War II | Western Europe 1939–1945: Hamburg | Why did the RAF bomb cities?". www.nationalarchives.gov.uk. Archived from the original on 7 February 2021. Retrieved 28 January 2021.
Claasen, Hermann; Hoyer, Franz A. (1949), Gesang im feuerofen : Köln; überreste einer alten deutschen stadt (in German) ([2. aufl.] ed.), L. Schwann, archived from the original on 28 July 2020, retrieved 6 September 2018
Knight, Jack (21 August 2015). "Cologne Cathedral is perhaps the single most famous tank duel?". War History Online. Archived from the original on 15 October 2019. Retrieved 15 October 2019.
"Cologne – History". Encyclopedia Britannica. Archived from the original on 24 June 2020. Retrieved 9 June 2020.
"Synagogen-Gemeinde Köln". Sgk.de. 26 June 1931. Archived from the original on 29 June 2016. Retrieved 8 August 2010.
Connolly, Kate (7 January 2016). "Tensions rise in Germany over handling of mass sexual assaults in Cologne". The Guardian. Archived from the original on 12 January 2016. Retrieved 12 January 2016.
"1075 Anzeigen nach Kölner Silvesternacht – 73 Verdächtige" [1,075 assaults by Cologne New Year's Eve – 73 suspects]. Westdeutsche Allgemeine Zeitung (in German). 15 February 2016. Archived from the original on 16 February 2016. Retrieved 15 February 2016.
"Cologne at a glance". City of Cologne. Archived from the original on 25 May 2012. Retrieved 17 April 2011.
"Wetter und Klima – Deutscher Wetterdienst – Stadtklima Köln – Klimawandelgerechte Metropole Köln – Strategie zur Anpassung an den Klimawandel (KÖLN_21)". www.dwd.de. Archived from the original on 4 June 2021. Retrieved 20 January 2021.
"World Meteorological Organization Climate Normals for 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 12 October 2023. Retrieved 12 October 2023.
"Wetter und Klima – Deutscher Wetterdienst – CDC (Climate Data Center)". www.dwd.de. Archived from the original on 19 June 2022. Retrieved 20 January 2021.
Deutsche Welle. "Cologne becomes first big German city to declare climate emergency". Deutsche Welle. Archived from the original on 11 July 2019. Retrieved 18 July 2019.
Gocht, Martin; Vogt, Reinhard. "Flood Forecasting and Flood Defence in Cologne" (PDF). Mitigation of Climate Induced Natural Hazards (MITCH). Archived from the original (PDF) on 24 March 2009. Retrieved 20 March 2009.
"Stadtentwässerungsbetriebe Köln : Flood Management". Steb-koeln.de. Archived from the original on 17 February 2013. Retrieved 7 July 2009.
"Flood Defence Scheme City of Cologne" (PDF). Archived from the original (PDF) on 24 March 2009. Retrieved 20 March 2009.
"In NRW behaupten sich immer mehr exotische Vögel". RP Online. 4 March 2007. Archived from the original on 17 May 2013. Retrieved 16 January 2013.
"Stadt Köln". Archived from the original on 3 November 2020. Retrieved 4 November 2020.{{cite web}}: CS1 maint: bot: original URL status unknown (link) › ...PDF Statitstisches Jahrbuch Köln 2020
Diego Puga & Daniel Trefler (30 November 2009). "International trade and institutional change: A death in Venice" (PDF). Archived from the original (PDF) on 3 September 2015. Retrieved 5 October 2014.
"Kölner Statistische Nachrichten 3/2022 – Statistisches Jahrbuch 2021" (PDF). stadt-koeln.de. Archived (PDF) from the original on 13 December 2022. Retrieved 13 December 2022.
"Statistisches Jahrbuch 2022" (PDF). stadt-koeln.de. Archived (PDF) from the original on 13 December 2022. Retrieved 13 December 2022.
"Region Köln Bon". region-koeln-bonn.de. 2013. Archived from the original on 1 October 2017. Retrieved 25 September 2017.
"Statistisches Jahrbuch 2016". stadt-koeln.de. 1 February 2016. Archived from the original on 7 October 2017. Retrieved 25 September 2017.
"CATHOLIC ENCYCLOPEDIA: Cologne". knight.org. Archived from the original on 20 April 2019. Retrieved 20 April 2019.
"Zensus 2011: Bevölkerung im regionalen Vergleich nach Religion (ausführlich) in %". Archived from the original on 21 June 2013. Retrieved 22 August 2019.
"Nordrhein-Westfalen: Religions- und Weltanschauungsgemeinschaften, die auf Landesebene den Status "Körperschaft des öffentlichen Rechts" besitzen". Archived from the original on 22 August 2019. Retrieved 22 August 2019.
"Muslime in den Großstädten beim Zensus 2011" (PDF). Archived from the original (PDF) on 19 December 2018. Retrieved 19 December 2018.
"Germany's largest mosque to broadcast call to prayer on Fridays". wincountry.com. 11 October 2021. Archived from the original on 11 October 2021. Retrieved 11 October 2021.
"Wahlperiode" (in German). City of Cologne. Archived from the original on 15 June 2011. Retrieved 15 April 2011.
"Green Cologne". KölnTourismus. Archived from the original on 18 January 2012. Retrieved 17 April 2011.
"Offizielle Webseite des Kölner Doms | Bedeutende Werke". Koelner-dom.de. Archived from the original on 3 July 2009. Retrieved 5 May 2009.
"Strategic Management Society – Cologne Conference – Cologne Information". Cologne.strategicmanagement.net. 14 October 2008. Archived from the original on 24 July 2011. Retrieved 26 July 2010.
"Homepage of the Uni-Center". Unicenterkoeln.de. Archived from the original on 27 March 2010. Retrieved 8 August 2010.
"Clubstudie 2021: Initiative Musik legt Einzelauswertungen der Bundesländer vor" [Club Study 2021: Initiative Musik presents individual evaluations of the German federal states]. Faze Magazin (in German). 20 September 2021. Archived from the original on 3 January 2022. Retrieved 6 January 2022.
"Clubstudie 2021: Einzelauswertungen der Bundesländer" [Club Study 2021: Individual evaluations of the German federal states]. Initiative Musik (in German). 20 September 2021. Archived from the original on 3 January 2022. Retrieved 6 January 2022.
"Kölner Philharmonie". 11 December 2007. Archived from the original on 11 December 2007. Retrieved 8 August 2010.
"Nightlife". KölnTourismus. Archived from the original on 13 September 2017. Retrieved 13 September 2017.
"Carnival – Cologne's "fifth season" – Cologne Sights & Events – Stadt Köln". 26 January 2008. Archived from the original on 25 January 2008. Retrieved 24 July 2009.
"Giving Beer A Home in the Rhineland". The Local. 28 July 2011. Archived from the original on 28 October 2011. Retrieved 28 July 2011.
"A Quick Visit to Cologne: Kolsch Anyone?". Lyke2Drink. 21 August 2009. Archived from the original on 4 November 2011.
"C/o Pop Official Website". Archived from the original on 13 December 2010. Retrieved 2 May 2010.
"Weihnachtsmärkte: Köln ist Publikumsmagnet : Topnews". Topnews.de. Archived from the original on 12 June 2017. Retrieved 6 May 2013.
"Cologne Business Guide" (PDF). www.stadt-koeln.de. Archived from the original (PDF) on 15 December 2010.
"Cologne". Encyclopædia Britannica. Archived from the original on 2 February 2012. Retrieved 2 June 2022.
"Über Ford – Standorte". Ford Germany (in German). Archived from the original on 29 June 2009. Retrieved 20 June 2009.
Institut der deutschen Wirtschaft Kölm. "Kölner Digitalwirtschaft gut aufgestellt". Archived from the original on 28 October 2016. Retrieved 28 October 2016.
"Tourism results for 2016: Moderate decrease in visitor numbers due to difficult general conditions". KölnTourismus. 21 February 2017. Archived from the original on 13 September 2017. Retrieved 13 September 2017.
"ADFC | Wie fahrradfreundlich ist Ihre Stadt?". Archived from the original on 4 March 2015. Retrieved 10 March 2015.
"High-speed trains to link England and Germany". Brisbane Times. 16 October 2011. Archived from the original on 21 June 2012. Retrieved 26 January 2012.
"Kölner Verkehrsbetriebe (KVB)". Kvb-koeln.de. Archived from the original on 21 April 2008. Retrieved 24 July 2009.
"Häfen und Güterverkehr Köln AG". Hgk.de. Archived from the original on 19 July 2011. Retrieved 8 August 2010.
"Hochschulen – Wissensdurst KĂśln – Das KĂślner Wissenschaftsportal". Wissensdurst-koeln.de. Archived from the original on 19 July 2010. Retrieved 26 July 2010.
"Forschungsschwerpunkte" (PDF). Wissensdurst-koeln.de. Archived (PDF) from the original on 19 July 2011.
"goethe.de". goethe.de. Archived from the original on 26 July 2011. Retrieved 8 August 2010.
"Cologne Adult Education Centre – City of Cologne". Stadt-koeln.de. Archived from the original on 4 November 2012. Retrieved 16 November 2012.
Lipshiz, Cnaan (10 December 2018). "Soviet immigration, once a bane of Germany's Jews, has become their salvation". Jewish Telegraphic Agency. Archived from the original on 10 December 2018. Retrieved 29 October 2020.
"Productions 'made in Cologne'". Cologne Tourism. Archived from the original on 8 August 2010. Retrieved 22 April 2011.
"Cologne Comedy Festival website". Koeln-comedy.de. 21 October 2007. Archived from the original on 19 July 2011. Retrieved 5 May 2009.
"Sport and relaxation". Cologne Tourist Information. Archived from the original on 4 April 2013. Retrieved 13 March 2013.
"The RheinEnergie Stadium". 1. FC Köln. Archived from the original on 17 March 2011. Retrieved 20 April 2011.
"Kölner Partnerstädte". stadt-koeln.de (in German). Cologne. Archived from the original on 18 April 2021. Retrieved 4 November 2020.

weimarer-wahlen.de (Global: low place; English: low place)

"Weimarer Wahlen". 11 February 2008. Archived from the original on 11 February 2008. Retrieved 24 July 2009.

wincountry.com (Global: low place; English: low place)

"Germany's largest mosque to broadcast call to prayer on Fridays". wincountry.com. 11 October 2021. Archived from the original on 11 October 2021. Retrieved 11 October 2021.

wissensdurst-koeln.de (Global: low place; English: low place)

"Hochschulen – Wissensdurst KĂśln – Das KĂślner Wissenschaftsportal". Wissensdurst-koeln.de. Archived from the original on 19 July 2010. Retrieved 26 July 2010.
"Forschungsschwerpunkte" (PDF). Wissensdurst-koeln.de. Archived (PDF) from the original on 19 July 2011.

worldatlas.com (Global: 2,266^th place; English: 2,297^th place)

Pariona, Amber (25 April 2017). "The Largest Airlines in Europe". WorldAtlas. Archived from the original on 15 April 2021. Retrieved 29 August 2019.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Smith, Benjamin E. (1895). "Augusta Ubiorum". The Century Cyclopedia of Names. Vol. 1 (2nd ed.). New York: Century Co. p. 96. OCLC 237135281.

zensus2011.de (Global: 8,220^th place; English: low place)

zensus2011.de

"Zensus 2011" (PDF). Statistische Landesämter. Archived from the original (PDF) on 24 June 2024. Retrieved 8 September 2025.

ergebnisse.zensus2011.de

"Zensus 2011: Bevölkerung im regionalen Vergleich nach Religion (ausführlich) in %". Archived from the original on 21 June 2013. Retrieved 22 August 2019.

Cologne (English Wikipedia)

adfc.de (Global: low place; English: low place)

altearmee.de (Global: low place; English: low place)

archive.org (Global: 6th place; English: 6th place)

books.google.com (Global: 3rd place; English: 3rd place)

brisbanetimes.com.au (Global: 3,948th place; English: 2,095th place)

britannica.com (Global: 37th place; English: 64th place)

c-o-pop.de (Global: low place; English: low place)

cologne-tourism.com (Global: low place; English: low place)

cologne.de (Global: low place; English: low place)

derwesten.de (Global: 5,603rd place; English: 6,536th place)

dw-world.de (Global: 3,113th place; English: 5,199th place)

dw.com (Global: 205th place; English: 320th place)

dwd.de (Global: 3,372nd place; English: 4,407th place)

fazemag.de (Global: low place; English: low place)

fc-koeln.de (Global: low place; English: low place)

files.wordpress.com (Global: 965th place; English: 868th place)

kartenseite.files.wordpress.com

flightglobal.com (Global: 222nd place; English: 157th place)

ford.de (Global: low place; English: low place)

goethe.de (Global: 4,990th place; English: 6,289th place)

hgk.de (Global: low place; English: low place)

hochwasserschutz.de (Global: low place; English: low place)

hrwallingford.co.uk (Global: low place; English: low place)

initiative-musik.de (Global: low place; English: low place)

isites.harvard.edu (Global: low place; English: low place)

iwkoeln.de (Global: low place; English: low place)

jta.org (Global: 1,385th place; English: 763rd place)

knight.org (Global: low place; English: low place)

koeln-comedy.de (Global: low place; English: low place)

koeln.de (Global: low place; English: low place)

koelnarchitektur.de (Global: low place; English: low place)

koelner-dom.de (Global: low place; English: low place)

koelner-philharmonie.de (Global: low place; English: low place)

kvb-koeln.de (Global: low place; English: low place)

lyke2drink.blogspot.com (Global: low place; English: low place)

megalithic.co.uk (Global: 8,511th place; English: 6,400th place)

museenkoeln.de (Global: low place; English: low place)

nationalarchives.gov.uk (Global: 718th place; English: 414th place)

newadvent.org (Global: 530th place; English: 466th place)

nla.gov.au (Global: 112th place; English: 56th place)

trove.nla.gov.au

noaa.gov (Global: 111th place; English: 78th place)

nodc.noaa.gov

nrw.de (Global: 973rd place; English: 3,615th place)

landesdatenbank.nrw.de

offenedaten-koeln.de (Global: low place; English: low place)

personenstandsrecht.de (Global: low place; English: low place)

region-koeln-bonn.de (Global: low place; English: low place)

reuters.com (Global: 38th place; English: 30th place)

rote-funken.de (Global: low place; English: low place)

rp-online.de (Global: 1,083rd place; English: 3,716th place)

sgk.de (Global: low place; English: low place)

stadt-koeln.de (Global: 9,631st place; English: low place)

stadt-koeln.de

wahlen.stadt-koeln.de

steb-koeln.de (Global: low place; English: low place)

strategicmanagement.net (Global: low place; English: low place)

cologne.strategicmanagement.net

t-online.de (Global: 1,448th place; English: 5,601st place)

theguardian.com (Global: 16th place; English: 11th place)

thelocal.de (Global: 7,650th place; English: 5,250th place)

topnews.de (Global: low place; English: low place)

unicenterkoeln.de (Global: low place; English: low place)

wahlen-in-deutschland.de (Global: low place; English: low place)

wahlergebnisse.nrw (Global: low place; English: low place)

warhistoryonline.com (Global: 9,789th place; English: 7,498th place)

web.archive.org (Global: 1st place; English: 1st place)

weimarer-wahlen.de (Global: low place; English: low place)

wincountry.com (Global: low place; English: low place)

wissensdurst-koeln.de (Global: low place; English: low place)

worldatlas.com (Global: 2,266th place; English: 2,297th place)

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

zensus2011.de (Global: 8,220th place; English: low place)

zensus2011.de

ergebnisse.zensus2011.de

archive.org (Global: 6^th place; English: 6^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

brisbanetimes.com.au (Global: 3,948^th place; English: 2,095^th place)

britannica.com (Global: 37^th place; English: 64^th place)

derwesten.de (Global: 5,603^rd place; English: 6,536^th place)

dw-world.de (Global: 3,113^th place; English: 5,199^th place)

dw.com (Global: 205^th place; English: 320^th place)

dwd.de (Global: 3,372^nd place; English: 4,407^th place)

files.wordpress.com (Global: 965^th place; English: 868^th place)

flightglobal.com (Global: 222^nd place; English: 157^th place)

goethe.de (Global: 4,990^th place; English: 6,289^th place)

jta.org (Global: 1,385^th place; English: 763^rd place)

megalithic.co.uk (Global: 8,511^th place; English: 6,400^th place)

nationalarchives.gov.uk (Global: 718^th place; English: 414^th place)

newadvent.org (Global: 530^th place; English: 466^th place)

nla.gov.au (Global: 112^th place; English: 56^th place)

noaa.gov (Global: 111^th place; English: 78^th place)

nrw.de (Global: 973^rd place; English: 3,615^th place)

reuters.com (Global: 38^th place; English: 30^th place)

rp-online.de (Global: 1,083^rd place; English: 3,716^th place)

stadt-koeln.de (Global: 9,631^st place; English: low place)

t-online.de (Global: 1,448^th place; English: 5,601^st place)

theguardian.com (Global: 16^th place; English: 11^th place)

thelocal.de (Global: 7,650^th place; English: 5,250^th place)

warhistoryonline.com (Global: 9,789^th place; English: 7,498^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldatlas.com (Global: 2,266^th place; English: 2,297^th place)

worldcat.org (Global: 4^th place; English: 4^th place)

zensus2011.de (Global: 8,220^th place; English: low place)