Columbia subject headings:
Collaborationists--Europe--History--20th century--Encyclopedias.
World War, 1939-1945--Collaborationists--Encyclopedias.
World War, 1939-1945--Occupied territories--Encyclopedias.
Harvard subject headings:
Collaborationists--Europe--History--20th century--Encyclopedias.
World War, 1939-1945--Collaborationists--Encyclopedias.
World War, 1939-1945--Occupied territories--Encyclopedias.
Princeton subject headings:
Collaborationists--Europe--History--20th century--Encyclopedias.
World War, 1939-1945--Collaborationists--Encyclopedias.
World War, 1939-1945--Occupied territories--Encyclopedias.