Columbia subject headings:
Baltic States--History--1940-1991.
Deportation--Baltic States--History--20th century.
Political persecution--Baltic States--History--20th century.
Harvard subject headings:
Baltic States--History--Soviet occupation, 1939-1941
World War, 1939-1945--Baltic States
Princeton subject headings:
Baltic States--History--Soviet Occupation, 1940-1941.
Baltic States--History.
World War, 1939-1945--Soviet Union.