image is a derivative work of the following images: File:Czechoslovakia01.png licensed with PD-self 2011-04-24T10:38:30Z PANONIAN 1128x513 (63994 Bytes)...
Czechoslovak Republic.SVG Tschechoslowakei 1928.png Zeme Ceskoslovenska 1928-1938.png Cz-svk granica.png Czechoslovakia01 ru.png Czechoslovakia01 cs.png...