Columbia subject headings:
Copyright--Motion pictures--Italy--Congresses.
Copyright--Motion pictures--San Marino--Congresses.
Copyright--Motion pictures--United States--Congresses.
Intellectual property--Italy--Congresses.
Intellectual property--San Marino--Congresses.
Intellectual property--United States--Congresses.
Piracy (Copyright)--Italy--Congresses.
Piracy (Copyright)--San Marino--Congresses.
Piracy (Copyright)--United States--Congresses.
Harvard subject headings:
Copyright--Motion pictures--Italy--Congresses.
Copyright--Motion pictures--San Marino--Congresses.
Copyright--Motion pictures--United States--Congresses.
Intellectual property--Italy--Congresses.
Intellectual property--San Marino--Congresses.
Intellectual property--United States--Congresses.
Piracy (Copyright)--Italy--Congresses.
Piracy (Copyright)--San Marino--Congresses.
Piracy (Copyright)--United States--Congresses.
Princeton subject headings: