5 ft and 1520 mm gauge railways (English Wikipedia)

Luis Jackson, Industrial Commissioner of the Erie Railway. "Rambles in Japan and China." In Railway and Locomotive Engineering Archived 29 August 2016 at the Wayback Machine, vol. 26 (March 1913), pp. 91-92

archive.today

"Сахалинская узкоколейная железная дорога (The narrow-gauge railways of Sakhalin)". Archived from the original on November 15, 2013.

books.google.com

"Provisional Convention ... concerning the junction of the Japanese and Russian Railways in Manchuria" - June 13, 1907. Endowment for International Peace (2009). Manchuria: Treaties and Agreements. BiblioBazaar, LLC. p. 108. ISBN 978-1-113-11167-8.

doi.org

Haywood, R. M. (March 1969). "The Question of a Standard Gauge for Russian Railways, 1836-1860". Slavic Review. 28 (1): 72–80. doi:10.2307/2493039. JSTOR 2493039. S2CID 163934218.
See also Haywood's full-length monographs on this topic,
• The beginnings of railway development in Russia in the reign of Nicholas I, 1835-1842. Durham, NC: Duke University Press. 1969. OCLC 2762.
• Russia enters the railway age, 1842–1855. East European Monographs. Boulder, CO: Columbia University Press. 1998. ISBN 0880333901.
Siddall, William R. (January 1969). "Railroad Gauges and Spatial Interaction". Geographical Review. 59 (1). Taylor & Francis, Ltd.: 40. doi:10.2307/213081. JSTOR 213081.

forum1520.com

1520 Strategic Partnership, About gauge 1520 Archived 7 October 2008 at the Wayback Machine, retrieved 2008-07-20.

highnorthnews.com

Trellevik, Siri Gulliksen Tømmerbakke From Amund. "Agreement on Arctic Railway Planning and Implementation". www.highnorthnews.com.

innoteka.hu

"Megújult a széles nyomtávolságú vágány a záhonyi térségben". Retrieved 1 June 2016.

inventingeurope.eu

Lotysz, Slawomir. "Narrowing is easier". Inventing Europe. Contrary to Lotysz's claim that "some railway historians" promote the myth, its only trace in the academic literature appears to be persistent warnings against the folklore. See, e.g., Haywood 1969 or Siddall 1969.

jstor.org

Haywood, R. M. (March 1969). "The Question of a Standard Gauge for Russian Railways, 1836-1860". Slavic Review. 28 (1): 72–80. doi:10.2307/2493039. JSTOR 2493039. S2CID 163934218.
See also Haywood's full-length monographs on this topic,
• The beginnings of railway development in Russia in the reign of Nicholas I, 1835-1842. Durham, NC: Duke University Press. 1969. OCLC 2762.
• Russia enters the railway age, 1842–1855. East European Monographs. Boulder, CO: Columbia University Press. 1998. ISBN 0880333901.
Siddall, William R. (January 1969). "Railroad Gauges and Spatial Interaction". Geographical Review. 59 (1). Taylor & Francis, Ltd.: 40. doi:10.2307/213081. JSTOR 213081.

liikennevirasto.fi

julkaisut.liikennevirasto.fi

"Ratatekniset määräykset ja ohjeet" (PDF). Finnish Rail Administration. p. 56. Archived from the original (PDF) on 2020-02-26. Retrieved 9 Feb 2020. The nominal track gauge on the rail network 1,524 mm. The max tolerance range in lowest quality lines (class 6, max speed 50 km/h) is −7…+20 mm

narod.ru

sbchf.narod.ru

"Сахалинская узкоколейная железная дорога (The narrow-gauge railways of Sakhalin)". Archived from the original on November 15, 2013.

parovoz.com

"Paravoz". Retrieved 2008-07-20.

railfan.net

southern.railfan.net

"The Days They Changed the Gauge". Retrieved 1 June 2016.

railway-technology.com

"Russia and North Korea sign deal to complete Khasan-Rajin railway reconstruction". www.railway-technology.com. Verdict Media Limited. 2013-06-17. Retrieved 2021-07-18.

railwaygazette.com

UK, DVV Media. "Afghan railway ambitions awarded funding". Retrieved 1 June 2016.
"Construction of Afghan railway launched". Railway Gazette International. 2010-01-27. Archived from the original on 2010-03-03.

raitio.org

"Perustietoja ja metroasemat" (in Finnish and English). Finnish Railway Society. Retrieved 30 August 2022.

rrdc.com

Estonian railways today Archived 3 March 2016 at the Wayback Machine, p. 32

rzd.ru

eng.rzd.ru

"Broad Gauge Track-1520". Russian Railways. Retrieved 2014-06-12.

company.rzd.ru

"История железных дорог – филиалов ОАО "РЖД"". Russian Railways. (in Russian)

semanticscholar.org

api.semanticscholar.org

Haywood, R. M. (March 1969). "The Question of a Standard Gauge for Russian Railways, 1836-1860". Slavic Review. 28 (1): 72–80. doi:10.2307/2493039. JSTOR 2493039. S2CID 163934218.
See also Haywood's full-length monographs on this topic,
• The beginnings of railway development in Russia in the reign of Nicholas I, 1835-1842. Durham, NC: Duke University Press. 1969. OCLC 2762.
• Russia enters the railway age, 1842–1855. East European Monographs. Boulder, CO: Columbia University Press. 1998. ISBN 0880333901.

studylib.net

"Rail Gauges". studylib.net. Retrieved 2023-08-14.

tramwar.pl

"Tramwaje Warszawskie - rozwój sieci - lata 1990-2006".

vilaris.com

"Historic reference". Archived from the original on 4 March 2016. Retrieved 1 June 2016.

web.archive.org

1520 Strategic Partnership, About gauge 1520 Archived 7 October 2008 at the Wayback Machine, retrieved 2008-07-20.
Luis Jackson, Industrial Commissioner of the Erie Railway. "Rambles in Japan and China." In Railway and Locomotive Engineering Archived 29 August 2016 at the Wayback Machine, vol. 26 (March 1913), pp. 91-92
"Historic reference". Archived from the original on 4 March 2016. Retrieved 1 June 2016.
Estonian railways today Archived 3 March 2016 at the Wayback Machine, p. 32
"Ratatekniset määräykset ja ohjeet" (PDF). Finnish Rail Administration. p. 56. Archived from the original (PDF) on 2020-02-26. Retrieved 9 Feb 2020. The nominal track gauge on the rail network 1,524 mm. The max tolerance range in lowest quality lines (class 6, max speed 50 km/h) is −7…+20 mm
"Allegro high speed Pendolino train at Finland station in St Petersburg". Alstom. 7 October 2010. Archived from the original on 7 July 2011. Retrieved 12 February 2011.
"Construction of Afghan railway launched". Railway Gazette International. 2010-01-27. Archived from the original on 2010-03-03.

weebly.com

heddonhistory.weebly.com

"Waggonway & Railway". Retrieved 1 June 2016.

worldcat.org

search.worldcat.org

Haywood, R. M. (March 1969). "The Question of a Standard Gauge for Russian Railways, 1836-1860". Slavic Review. 28 (1): 72–80. doi:10.2307/2493039. JSTOR 2493039. S2CID 163934218.
See also Haywood's full-length monographs on this topic,
• The beginnings of railway development in Russia in the reign of Nicholas I, 1835-1842. Durham, NC: Duke University Press. 1969. OCLC 2762.
• Russia enters the railway age, 1842–1855. East European Monographs. Boulder, CO: Columbia University Press. 1998. ISBN 0880333901.