Columbia subject headings:
Bosl, Karl, 1908-1993.
Czechoslovakia--Foreign relations--Europe.
Czechoslovakia--History.
Europe--Foreign relations--Czechoslovakia.
Harvard subject headings:
Bosl, Karl, 1908-
Czechoslovakia--Foreign relations--Europe.
Czechoslovakia--History.
Europe--Foreign relations--Czechoslovakia.
Princeton subject headings:
Bosl, Karl, 1908-1993.
Czechoslovakia--History.