Columbia subject headings:
Estonia--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Estonia.
Harvard subject headings:
Estonia--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Estonia.
Princeton subject headings:
Estonia--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Estonia.