Columbia subject headings:
Censorship--Canada.
Freedom of information--Canada.
Gays' writings--Censorship--Canada.
Harvard subject headings:
Censorship--Canada.
Freedom of speech--Canada.
Gays' writings--Censorship--Canada.
Little Sister's Book and Art Emporium--Trials, litigation, etc.
Trials (Obscenity)--British Columbia--Vancouver.
Princeton subject headings:
Censorship--Canada.
Freedom of speech--Canada.
Gays' writings--Censorship--Canada.
Little Sister's Book and Art Emporium--Trials, litigation, etc.
Trials (Obscenity)--Canada--Vancouver.