Columbia subject headings:
Computer-assisted instruction--Law and legislation--United States.
Copyright and distance education--United States.
Copyright infringement--United States.
Harvard subject headings:
Computer-assisted instruction--Law and legislation--United States.
Copyright and distance education--United States.
Copyright infringement--United States.
Distance education--Law and legislation--United States.
Princeton subject headings:
Computer-assisted instruction--Law and legislation--United States.
Copyright and distance education--United States.
Copyright infringement--United States.
Distance education--Law and legislation--United States.