Postcard (English Wikipedia)

Eiland, Murray (2019). "Heraldry on German Patriotic Postcards". The Armiger's News. 41 (2): 1–5 – via academia.edu.
Eiland, Murray (2019). "Heraldry on American Patriotic Postcards". The Armiger's News. 41 (1): 1–3 – via academia.edu.

bbc.co.uk (Global: 11^th place; English: 10^th place)

news.bbc.co.uk

"Oldest postcard sells for £31,750". BBC News. 2002-03-08. Retrieved 2012-06-16.
"Naked film postcards returned to sender". BBC News. 30 July 2001. Retrieved 2011-06-05.

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

"18 August 1906". The American Stationer. Vol. 60. Redman & Kerry. 1906. p. 8.

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

"Histoire de la Carte Postale, Cartopole, Baud" (in French). Cartolis.org. Archived from the original on 2011-07-18. Retrieved 2012-06-16.

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

"Chicago Postcard Museum – How to Age a Postcard". www.chicagopostcardmuseum.org. Retrieved 2020-04-01.

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

"Novelty leather postcards". Barr's Postcard News & Ephemera. 2016-11-21. Novelty postcards include Hold-to-lights, Die-cuts, leather, silk or metal applied, printed on silk, burnt wood, mechanical and on and on. They are just about anything but the flat printed or real photo postcards. One category is postcards made of leather.

colnect.com (Global: 8,009^th place; English: low place)

"Postcards on Colnect". colnect.com. Retrieved 2019-01-31.

doi.org (Global: 2^nd place; English: 2^nd place)

Fians, Guilherme; Struck, Bernhard; Taylor, Claire (2025). Postcards, Translators and Esperanto Pioneers: An Alternative History of International Communication. London: University of London Press. doi:10.63674/wujq4585. ISBN 978-1-914477-87-4.
Baldwin, Brooke (1988). "On the Verso: Postcard Messages as a Key to Popular Prejudices". Journal of Popular Culture. 22 (3): 15–28. doi:10.1111/j.0022-3840.1988.2203_15.x.
Farfan, P. (2012). ""The Picture Postcard is a sign of the times": Theatre Postcards and Modernism". Theatre History Studies. 32: 93–119. doi:10.1353/ths.2012.0018. S2CID 192002863.

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

Dagmar Breitenbach: Instagram, 19th-century style: The first German postcard In: Deutsche Welle, July 16, 2020, Retrieved 2021-02-07.

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

Allen, Julia M.; Cohen, Jocelyn H. (2023). Women Making History: The Revolutionary Feminist Postcard Art of Helaine Victoria Press. Lever Press. ISBN 978-1-64315-036-9.

ghostarchive.org (Global: 64^th place; English: 28^th place)

Nick Collins (5 August 2010). "Bawdy seaside postcards on display". The Daily Telegraph. Archived from the original on 2022-01-12. Retrieved 12 September 2011.

gost.ru (Global: low place; English: low place)

protect.gost.ru

"ГОСТ Р 51507-99 – НАЦИОНАЛЬНЫЕ СТАНДАРТЫ". protect.gost.ru.

guinnessworldrecords.com (Global: 873^rd place; English: 697^th place)

"Oldest picture postcard". Guinness World Records. Retrieved 1 March 2017.

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

ww1.habsburger.net

"Circumventing the censorship and "self-censorship"". The World of the Habsburgs. 11 June 2014. Archived from the original on 2018-12-21. Retrieved 2020-04-02.

latimes.com (Global: 32^nd place; English: 21^st place)

Cure, Monica (2013-06-22). "Tweeting by mail: The postcard's stormy birth". Los Angeles Times. Retrieved 2020-04-01.

marketwatch.com (Global: 1,878^th place; English: 1,099^th place)

Settembre, Jeanette (30 Sep 2017). "Postcards are becoming extinct and 5 other industries millennials are killing". MarketWatch. Retrieved 2021-02-01.

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

"Metropolitan Postcard Club of New York City". www.metropolitanpostcardclub.com. Retrieved 2020-04-01.

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

"Pre History of the Postcard 1848–1872". Metropolitan Postcard Club of New York City. Archived from the original on 2017-10-24. Retrieved 2013-02-01.
Petrulis, Alan. "MetroPostcard History of Postcards 1873–1897". www.metropostcard.com. Archived from the original on 2022-04-11. Retrieved 2020-04-01.
Petrulis, Alan. "The Peak and Decline of the Golden Age 1907–1913". www.metropostcard.com.
Petrulis, Alan. "MetroPostcard History of Postcards". www.metropostcard.com. Archived from the original on 2015-02-06. Retrieved 2020-04-01.
Petrulis, Alan. "MetroPostcard History of Postcards 1914–1945". www.metropostcard.com. Archived from the original on 2020-02-03. Retrieved 2020-04-01.
Petrulis, Alan. "Post Card undivided". www.metropostcard.com. Archived from the original on 2020-02-13. Retrieved 2020-04-01.

nysed.gov (Global: 7,717^th place; English: 4,082^nd place)

nysl.nysed.gov

Bassett, Fred (2018-12-13). "Postcard Collection – Essay, Appendix C: New York State Library". Archived from the original on 2018-12-13. Retrieved 2020-04-01.

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

"PostcardGuide Japan/Konnichiwa!". www.photojpn.org.
PostcardGuide Japan, April 2, 1997

sandiegohistory.org (Global: 9,924^th place; English: 5,188^th place)

Vanderwood, Paul (1988). "Writing History with Picture Postcards". The Journal of San Diego History. 34 (1). Archived from the original on 2016-06-29.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Farfan, P. (2012). ""The Picture Postcard is a sign of the times": Theatre Postcards and Modernism". Theatre History Studies. 32: 93–119. doi:10.1353/ths.2012.0018. S2CID 192002863.

si.edu (Global: 256^th place; English: 197^th place)

siarchives.si.edu

"Postcard History | Smithsonian Institution Archives". 2018-11-23. Archived from the original on 2018-11-23. Retrieved 2020-04-01.
KapsalisE (2013-09-19). "Postcard History". Smithsonian Institution Archives. Retrieved 2023-06-15.

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

"Old Postcards: Messages about the Past". Primary Source Bazaar. 24 May 2019.

telegraph.co.uk (Global: 40^th place; English: 27^th place)

Nick Collins (5 August 2010). "Bawdy seaside postcards on display". The Daily Telegraph. Archived from the original on 2022-01-12. Retrieved 12 September 2011.

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

"Postcards on the edge as Britain's oldest publishers signs off". The Guardian. 2017-09-25. Retrieved 2021-02-01.

tpa-project.info (Global: low place; English: low place)

Helmfried Luers: The First Picture Postcard In: The Postcard Album #21, Retrieved 2021-02-07.

uchicago.edu (Global: 226^th place; English: 199^th place)

dsal.uchicago.edu

The Imperial Gazetteer of India. (1908). Vol 3 (Economic), p. 424

udel.edu (Global: 5,182^nd place; English: 3,359^th place)

exhibitions.lib.udel.edu

"Golden Age of Postcards (1907–1915) – Greetings from Delaware". Retrieved 2023-06-15.

usps.com (Global: 2,610^th place; English: 1,407^th place)

about.usps.com

United States Postal Service (September 2014). "Stamped Cards and Postcards" (PDF). United States Postal Service. Archived (PDF) from the original on 2019-08-26. Retrieved 2020-03-31.

usps.com

"USPS – Mail Characteristics – Sizes for Cards". USPS. Archived from the original on 2008-01-20. Retrieved 2 June 2011.

uvm.edu (Global: 7,313^th place; English: 4,496^th place)

glcp.uvm.edu

"Undivided Backs (Pre-1907) - Postcards - Dating - Landscape Change Program". glcp.uvm.edu. Retrieved 2023-06-15.

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

United States Postal Service (September 2014). "Stamped Cards and Postcards" (PDF). United States Postal Service. Archived (PDF) from the original on 2019-08-26. Retrieved 2020-03-31.
"Postcard History | Smithsonian Institution Archives". 2018-11-23. Archived from the original on 2018-11-23. Retrieved 2020-04-01.
"Pre History of the Postcard 1848–1872". Metropolitan Postcard Club of New York City. Archived from the original on 2017-10-24. Retrieved 2013-02-01.
Petrulis, Alan. "MetroPostcard History of Postcards 1873–1897". www.metropostcard.com. Archived from the original on 2022-04-11. Retrieved 2020-04-01.
"Histoire de la Carte Postale, Cartopole, Baud" (in French). Cartolis.org. Archived from the original on 2011-07-18. Retrieved 2012-06-16.
Bassett, Fred (2018-12-13). "Postcard Collection – Essay, Appendix C: New York State Library". Archived from the original on 2018-12-13. Retrieved 2020-04-01.
Petrulis, Alan. "MetroPostcard History of Postcards". www.metropostcard.com. Archived from the original on 2015-02-06. Retrieved 2020-04-01.
Petrulis, Alan. "MetroPostcard History of Postcards 1914–1945". www.metropostcard.com. Archived from the original on 2020-02-03. Retrieved 2020-04-01.
"USPS – Mail Characteristics – Sizes for Cards". USPS. Archived from the original on 2008-01-20. Retrieved 2 June 2011.
Demm, Eberhard. "Censorship | International Encyclopedia of the First World War (WW1)". International Encyclopedia of the First World War. Archived from the original on 2020-01-20. Retrieved 2020-04-03.
"Circumventing the censorship and "self-censorship"". The World of the Habsburgs. 11 June 2014. Archived from the original on 2018-12-21. Retrieved 2020-04-02.
Hanna, Martha (2014-10-08). "War Letters: Communication between Front and Home Front | International Encyclopedia of the First World War (WW1)". International Encyclopedia of the First World War. Archived from the original on 2019-03-26. Retrieved 2020-04-03.
Vanderwood, Paul (1988). "Writing History with Picture Postcards". The Journal of San Diego History. 34 (1). Archived from the original on 2016-06-29.
Petrulis, Alan. "Post Card undivided". www.metropostcard.com. Archived from the original on 2020-02-13. Retrieved 2020-04-01.

yale.edu (Global: 559^th place; English: 389^th place)

avalon.law.yale.edu

"Treaties and Other International Agreements of the United States of America 1776–1949 Compiled under the direction of Charles I. Bevans LL.B." avalon.law.yale.edu. Retrieved 2020-04-01.

Postcard (English Wikipedia)

1914-1918-online.net (Global: 6,583rd place; English: 5,152nd place)

encyclopedia.1914-1918-online.net

academia.edu (Global: 105th place; English: 99th place)

bbc.co.uk (Global: 11th place; English: 10th place)

news.bbc.co.uk

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

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

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

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

colnect.com (Global: 8,009th place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

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

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

ghostarchive.org (Global: 64th place; English: 28th place)

gost.ru (Global: low place; English: low place)

protect.gost.ru

guinnessworldrecords.com (Global: 873rd place; English: 697th place)

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

ww1.habsburger.net

latimes.com (Global: 32nd place; English: 21st place)

marketwatch.com (Global: 1,878th place; English: 1,099th place)

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

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

nysed.gov (Global: 7,717th place; English: 4,082nd place)

nysl.nysed.gov

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

sandiegohistory.org (Global: 9,924th place; English: 5,188th place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

si.edu (Global: 256th place; English: 197th place)

siarchives.si.edu

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

telegraph.co.uk (Global: 40th place; English: 27th place)

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

tpa-project.info (Global: low place; English: low place)

uchicago.edu (Global: 226th place; English: 199th place)

dsal.uchicago.edu

udel.edu (Global: 5,182nd place; English: 3,359th place)

exhibitions.lib.udel.edu

usps.com (Global: 2,610th place; English: 1,407th place)

about.usps.com

usps.com

uvm.edu (Global: 7,313th place; English: 4,496th place)

glcp.uvm.edu

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

yale.edu (Global: 559th place; English: 389th place)

avalon.law.yale.edu

1914-1918-online.net (Global: 6,583^rd place; English: 5,152^nd place)

academia.edu (Global: 105^th place; English: 99^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

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

colnect.com (Global: 8,009^th place; English: low place)

doi.org (Global: 2^nd place; English: 2^nd place)

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

ghostarchive.org (Global: 64^th place; English: 28^th place)

guinnessworldrecords.com (Global: 873^rd place; English: 697^th place)

latimes.com (Global: 32^nd place; English: 21^st place)

marketwatch.com (Global: 1,878^th place; English: 1,099^th place)

nysed.gov (Global: 7,717^th place; English: 4,082^nd place)

sandiegohistory.org (Global: 9,924^th place; English: 5,188^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

si.edu (Global: 256^th place; English: 197^th place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

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

uchicago.edu (Global: 226^th place; English: 199^th place)

udel.edu (Global: 5,182^nd place; English: 3,359^th place)

usps.com (Global: 2,610^th place; English: 1,407^th place)

uvm.edu (Global: 7,313^th place; English: 4,496^th place)

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

yale.edu (Global: 559^th place; English: 389^th place)