Documentation *** REFERENCE *** Atlas de la Révolution française, tome 5. Le territoire (2). Ls limites administratives (dir. Daniel Nordman, Marie-Vic Ozouf-Marignier, Alexandra Laclau) carte 5
Shapefile of railways in North America between 1960 and 1980 based on historical cartography of different libraries. Shapefiles each 20 years because of the impossibility of finding historical cartogr