Columbia subject headings:
Harvard subject headings:
Deception--History--20th century.
Strategy--History--20th century
Subversive activities--History--20th century.
World War, 1939-1945--Campaigns.
Princeton subject headings:
Deception--History--20th century.
Strategy--History--20th century.
Subversive activities--History--20th century.
World War, 1939-1945--Campaigns.