Columbia subject headings:
Harvard subject headings:
Lithuania--History--1918-1945.
Lithuania--History--Soviet occupation, 1940-1941
World War, 1939-1945--Lithuania.
Princeton subject headings:
Lithuania--Foreign relations--Sources.
Lithuania--History--1918-1945--Sources.
Lithuania--History--Soviet occupation, 1940-1941--Sources.
World War, 1939-1945--Lithuania--Sources.