- Library of Congress Geography and Map Reading Room: http://www.loc.gov/rr/geogmap/. The Geography Map and Reading Room leads you to Military Battles and Campaigns at: http://memory.loc.gov/ammem/gmdhtml/milhome.html and from there you go to World War II Military Situation Maps at: http://memory.loc.gov/ammem/collections/maps/wwii/.
- Old Topographic Maps Collection (Oude Stafkaarten Verzamelen): http://www.oudestafkaarten.nl/
- On War, Maps of World War II: http://www.onwar.com/maps/wwii/blitz/index.htm
- University of Texas at Austin, Perry-Castañeda Library Map Collection, World War II Maps: http://www.lib.utexas.edu/maps/historical/history_ww2.html#European
- Wall Tiles and Free Parking: Escape and Evasion Maps of World War II, by Debbie Hall, British Library Map Library: http://www.mapforum.com/04/escape.htm
- World War II Maps (Air University Library, Maxwell AFB): http://www.au.af.mil/au/aul/maps/ww2maps.htm
- World War II Military Maps at The National Archives (United Kingdom): http://www.nationalarchives.gov.uk/records/research-guides/maps-military-second-world-war.htm