Correctness and neutrality of this map is disputed. See the talk page of this file. English determination method: SHA-1...
image is a derivative work of the following images: File:Czechoslovakia 1930 linguistic map - en.jpg licensed with Cc-by-3.0 2008-04-05T13:13:39Z Kiejstut9...
jpg licensed with Cc-by-3.0 2008-04-05T13:13:39Z Kiejstut9 600x354 (245101 Bytes) {{Information |Description=Czechoslovakia 1930: linguistic |Source=own...
Kiejstut9 600x354 (245101 Bytes) {{Information |Description=Czechoslovakia 1930: linguistic |Source=own work |Date=2008 |Author=Kiejstut9 |Permission=...
image is a derivative work of the following images: File:Czechoslovakia_1930_linguistic_map_-_created_2008-10-30.svg licensed with Cc-by-3.0 2008-11-18T16:30:14Z...
