Columbia subject headings:
Censorship--Great Britain.
Censorship--United States.
Obscenity (Law)--Great Britain.
Obscenity (Law)--United States.
Harvard subject headings:
Censorship--Great Britain
Censorship--United States
Obscenity (Law)--Great Britain.
Obscenity (Law)--United States.
Princeton subject headings:
Censorship--Great Britain.
Censorship--United States.
Obscenity (Law)--Great Britain.
Obscenity (Law)--United States.