Berghahn, Volker R. (1999). "Germans and Poles 1871–1945". In Bullivant, Keith; Giles, Geoffrey J.; Pape, Walter (eds.). Germany and Eastern Europe: Cultural Identities and Cultural Differences. Rodopi. pp. 32–34. ISBN9042006889.; and Blanke, Richard (1999). "When Germans and Poles Lived Together". In Bullivant, Keith; Giles, Geoffrey J.; Pape, Walter (eds.). Germany and Eastern Europe: Cultural Identities and Cultural Differences. Rodopi. pp. 50ff. ISBN9042006889.
Masłowska, Teresa (2 September 2007). "Wojenne Drogi Polskich Kolejarzy" [On the war paths of Polish railwaymen] (PDF). Kurier PKP. 35. Września: 13. Archived from the original(PDF) on 24 February 2012. Retrieved 8 February 2014 – via PDF file, direct download (644 KB), archived by Wayback Machine. Magazine Kurier PKP was last published in 2010.
polish-railways.com
Bochen, Antoni; Wiśniewski, Filip (2018). "Occupation 1939-1945". Polish Railways. Quixi Media. Archived from the original on 2020-07-21. Retrieved 2018-04-14.
web.archive.org
Bochen, Antoni; Wiśniewski, Filip (2018). "Occupation 1939-1945". Polish Railways. Quixi Media. Archived from the original on 2020-07-21. Retrieved 2018-04-14.
Masłowska, Teresa (2 September 2007). "Wojenne Drogi Polskich Kolejarzy" [On the war paths of Polish railwaymen] (PDF). Kurier PKP. 35. Września: 13. Archived from the original(PDF) on 24 February 2012. Retrieved 8 February 2014 – via PDF file, direct download (644 KB), archived by Wayback Machine. Magazine Kurier PKP was last published in 2010.