Columbia subject headings:
Soviet Union--Foreign relations--1917-1945--Sources.
Yalta Conference (1945 : I︠A︡lta, Ukraine)
Harvard subject headings:
Yalta Conference (1945 : I͡Alta, Ukraine)
Princeton subject headings:
Soviet Union--Foreign relations--1917-1945--Sources.
World War, 1939-1945--Diplomatic history--Sources.
World War, 1939-1945--Influence--Congresses.
World politics--1945---Congresses.