Christensen, R. S. (2026) “anm. af Gwynn: The coming of the Railway, A new Global History; Black: A World History of Rail; Black: A History of Railways in 100 maps”, Jernbanehistorie, 13(1). Tilgængelig hos: https://tidsskrift.dk/jernbanehistorie/article/view/168707 (Set: 16 juni 2026).