Country

• Austria (4) 

  Andorra (french) (1) Azores (1) Bulgaria (1) Burundi (2) Congo (Kinshasa) (2) Czechoslovakia (7) Ecuador (1) Finland (1) Guinea (4) Iceland (2) Ireland (2) Luxembourg (1) Malta (1) Moldova (1) Nicaragua (1) Panama (5) Papua New Guinea (1) Paraguay (6) Poland (1) Romania (1) Russia (1) Ryukyu Islands (3) San Marino (2) Sao Tome and Principe (1) Spanish Guinea (1) Spanish Sahara (1) Syria (1) Tajikistan (1) Togo (2) Turkish Cyprus (1) Umm al-Qiwain (UAE) (2) United Nations (Vienna) (2)

Year

• (no filter) 

  1968 (1) 1972 (3)

Themes

•  Architecture (4)
•  CEPT (16)
•  Communications (1)
•  Culture (1)
•  Cultures (1)
•  Fine arts (5)
•  History (4)
•  Industry (1)
•  Music (1)
•  People (1)
•  Plants (1)
•  Post (13)
•  Science (1)
•  Sports (2)
•  Transport (2)