Columbia subject headings:
Harvard subject headings:
Czechoslovakia--History--1938-1945--Sources.
Heydrich, Reinhard, 1904-1942
Heydrich, Reinhard, 1904-1942--Assassination--Sources.
Princeton subject headings:
Czechoslovakia--History--1938-1945--Sources.
Heydrich, Reinhard, 1904-1942.