4-4-4-4 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "4-4-4-4" in English language version.

refsWebsite

Global rank English rank

2web.archive.org

1^st place

1^st place

2prrt1steamlocomotivetrust.org

low place

low place

low place

low place

nrm.org.uk

"Railway Vehicle Information Sheet - 1975-7007 - Mallard" (PDF). National Railway Museum Official Website (PDF File). York England: National Railway Museum. p. 3. Archived (PDF) from the original on 31 October 2017. Retrieved 9 May 2017.

prrt1steamlocomotivetrust.org

"FAQ Section - The T1 Trust". The Pennsylvania Railroad T1 Steam Locomotive Trust. 2016. Archived from the original on 24 August 2019. Retrieved 23 April 2017.
"5550 Tender Preservation Fund". prrt1steamlocomotivetrust.org. Pottstown, Pennsylvania, USA: Pennsylvania Railroad T1 Steam Locomotive Trust (published August 2017). 2017-08-21. Retrieved 2017-08-21.

web.archive.org

"Railway Vehicle Information Sheet - 1975-7007 - Mallard" (PDF). National Railway Museum Official Website (PDF File). York England: National Railway Museum. p. 3. Archived (PDF) from the original on 31 October 2017. Retrieved 9 May 2017.
"FAQ Section - The T1 Trust". The Pennsylvania Railroad T1 Steam Locomotive Trust. 2016. Archived from the original on 24 August 2019. Retrieved 23 April 2017.