CPSGB
Czechoslovak Philatelic Society of Great Britain
Czechoslovakia and Successor States
Krzak, Rudolf, Major-General. Jun/2004, p. 38.
Letter to the Executive Committee of the Union of Czech Philatelists(SČF). Jun/2004, p. 37.
Krzak, Rudolf, Major-General. Jun/2004, p. 38.
Letter to the Executive Committee of the Union of Czech Philatelists(SČF). Jun/2004, p. 37.