Columbia subject headings:
Ferlinghetti, Lawrence.
Ginsberg, Allen, 1926-1997.
Ginsberg, Allen, 1926-1997. Howl and other poems.
Harvard subject headings:
Censorship--United States--History--20th century.
Ferlinghetti, Lawrence--Trials, litigation, etc.
Freedom of the press--United States--Cases
Ginsberg, Allen, 1926-1997--Censorship.
Ginsberg, Allen, 1926-1997. Howl and other poems
Princeton subject headings:
Ginsberg, Allen, 1926-1997. Howl and other poems.