Columbia subject headings:
Harvard subject headings:
Leaflets dropped from aircraft--Bibliography--Catalogs.
Leaflets dropped from aircraft--Facsimiles--Catalogs.
Propaganda, British--Germany--Bibliography--Catalogs.
World War, 1939-1945--Propaganda--Bibliography--Catalogs.
Princeton subject headings:
Propaganda, British--Germany.
World War, 1939-1945--Propaganda.