Columbia subject headings:
Diplomatic and consular service, American.
Diplomatic and consular service, Czech.
Diplomatic and consular service, Hungarian.
Diplomatic and consular service, Polish.
Diplomatic and consular service, Romanian.
Diplomatic and consular service, Soviet.
Harvard subject headings:
Diplomatic and consular service, American
Diplomatic and consular service, Czech.
Diplomatic and consular service, Hungarian
Diplomatic and consular service, Polish.
Diplomatic and consular service, Romanian.
Diplomatic and consular service, Soviet.
Princeton subject headings: