Columbia subject headings:
Censorship--United States--History--20th century.
Propaganda, American.
Public libraries--Censorship--United States--History--20th century.
Public libraries--United States--History--20th century.
World War, 1914-1918--Libraries.
World War, 1914-1918--Propaganda.
Harvard subject headings:
Censorship--United States--History--20th century.
Propaganda, American.
Public libraries--Censorship--United States--History--20th century.
Public libraries--United States--History--20th century.
World War, 1914-1918--Libraries
World War, 1914-1918--Propaganda
Princeton subject headings:
Censorship--United States--History--20th century.
Propaganda, American.
Public libraries--Censorship--United States--History--20th century.
Public libraries--United States--History--20th century.
World War, 1914-1918--Libraries.
World War, 1914-1918--Propaganda.