Links of Interest

U.S. Copyright Law: General Resources

U.S. Copyright Law: Tools on Duration and Expiration

Copyright Websites at Other Universities

International Copyright

Copyright Initiatives and Innovations

  • Creative Commons
  • Open Source Software: Non-profit corporation formed to educate about and advocate for the benefits of open source and to build bridges among different constituencies in the open-source community.
  • Open Content Alliance: Collaborative effort of organizations from around the world building a permanent archives of multilingual digitized text and multimedia material.
  • Internet Archive: Archive of public domain material, such as moving images, music, audio and text, and the "Wayback Machine," which can display past versions of websites.
  • Project Gutenberg: The first and oldest collection of free, electronic books and music searchable by author, title, subject and language.
  • Hathi Trust: Repository of collections of member libraries of the Committee on Institutional Cooperation (CIC), the University of California system, and the University of Virginia.
  • Public Domain Music: Part of the Public Domain Information Project and a reference site identifying public domain songs and public domain music.

Copyright Information Databases


Mechanical Applications of Copyright

  • The Copyright Genie: Aid for determining copyright status and term of protection
  • Copyright Advisory Network Digital Slider: Tool that helps determine if a work is in the public domain
  • Section 108 Spinner: Spinner tool from the American Library Association that provides information on the law in relation to library uses
  • Exceptions for Instructors eTool: Guide from the American Library Association that helps users determine whether their uses fit under permissible educational uses of copyrighted material
  • Fair Use Evaluator: Online tool from the American Library Association that helps users understand if a use is a "fair use"
  • Copyright Metro: Interactive guide to using copyrighted media in courses from Baruch College

Note: The Copyright Advisory Office does not endorse any of the tools or information found on any of the sites listed above.  Links are provided here for information purposes only, and users should consult with copyright advisors for legal determinations.

Most Recent Revision: 050713

When making use of this page under the terms of the CC license, please include this form of attribution: "Used under a Creative Commons BY license from the Copyright Advisory Office of Columbia University, Kenneth D. Crews, director."  If your needs for the material are outside the scope of the license, please consider fair use or simply asking us for permission.