Copyright

Permission

    Copyright Clearance Center
    [ http://library.sdsu.edu/guides/resourcelink.php?id=1814 ]
    Creative Commons  Description
    [ http://library.sdsu.edu/guides/resourcelink.php?id=3271 ]

    Determining the status

    The Copyright Card Catalog and the Online Files of the Copyright Office
    [ http://library.sdsu.edu/guides/resourcelink.php?id=3258 ]
    Copyright Term and the Public Domain in the United States  Description
    [ http://library.sdsu.edu/guides/resourcelink.php?id=3259 ]
    How to Investigate the Copyright Status of a Work  Description
    [ http://library.sdsu.edu/guides/resourcelink.php?id=1805 ]
    Is is protected by copyright?  Description
    [ http://library.sdsu.edu/guides/resourcelink.php?id=3305 ]