"372, 371 ES 499.2". Atlas Lokomotiv (in Czech). Archived from the original on 14 October 2019. Retrieved 14 October 2019.
dr-bahn.de
Köstner, Rolf. "Knödelpresse – Teil 1". Die Baureihe 230 der Deutschen Reichsbahn (in German). Archived from the original on 14 October 2019. Retrieved 14 October 2019.
web.archive.org
"372, 371 ES 499.2". Atlas Lokomotiv (in Czech). Archived from the original on 14 October 2019. Retrieved 14 October 2019.
Köstner, Rolf. "Knödelpresse – Teil 1". Die Baureihe 230 der Deutschen Reichsbahn (in German). Archived from the original on 14 October 2019. Retrieved 14 October 2019.