Columbia subject headings:
Harvard subject headings:
Diplomats--Soviet Union--Biography
Political persecution--Soviet Union.
Rakovskiĭ, Khristian, 1873-1941
Soviet Union--Foreign relations--1917-1945.
Princeton subject headings:
Diplomats--Soviet Union.
Rakovskiĭ, Khristian, 1873-1941.
Soviet Union--Foreign relations--1917-1945.