Columbia subject headings:
Censorship--Congresses.
Intellectual property--Congresses.
Plagiarism--Congresses.
Harvard subject headings:
Copyright infringement--Congresses.
Copyright--Congresses.
Fair use (Copyright)--Congresses.
Intellectual property infringement--Congresses.
Intellectual property infringement.
Intellectual property--Congresses.
Intellectual property.
Piracy (Copyright)--Congresses.
Plagiarism
Plagiarism--Congresses.
Princeton subject headings: