Public Domain Websites 

The following sites contain material that is generally free to use, not copyrighted, whose copyright has expired, or is not copyrightable. The list includes resources from US government agencies, educational organizations and companies that provide materials for students and teachers.

• American Memory from the Library of Congress
  "American Memory provides free and open access through the Internet to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience." Although the Library of Congress provides some copyright information about the items in this collection, "it is the researcher's obligation to determine and satisfy copyright or other use restrictions when publishing or otherwise distributing materials found in the Library's collections."
• Digital History
  “The materials included in the Digital History website are original works of authorship, government records, works for which copyright permission has expired, works reprinted with permission, or works that we believe are within the fair use protection of the copyright laws.”
• Library of Congress Learning Page
  “The Learning Page is designed to help educators use the American Memory Collections to teach history and culture. It offers tips and tricks, definitions and rationale for using primary sources, activities, discussions, lesson plans and suggestions for using the collections in classroom curriculum.”
• NASA/Hubble Telescope
  This site contains teaching resources and information for educators. It also contains many image and video galleries.
• The NYPL Picture Collection Online
  "The digital collection of images presented here  is taken from the in-print collection of images that New York Public Library has been collecting since 1915.”
• Picture History
  “Picture History is an on-line archive of images and film footage illuminating more than 200 years of American history.”
• Wikipedia
  There are many photos and graphics at Wikipedia are in the public domain.
• FreeFoto.com
  “FreeFoto.com is the largest collection of free photographs for private non-commercial use on the Internet.”
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• Sounds
• American Rhetoric (famous speeches)
  “The site makes material available in an effort to advance understanding of political, social, and religious issues as they relate to the study and practice of rhetoric and public address deemed relevant to the public interest and the promotion of civic discourse.” 
• Find Sounds|
  A free site where you can search the Web for sound effects and musical instrument samples 
• Free Kids Music.com
  A collection of quality children's music. These are complete songs, not edited versions. All music downloads on this site are free.
• FreePlay Music
  “The Freeplay Music Library, is a comprehensive collection of High End Broadcast production music spanning all the popular musical genres, available for free download either online or can be purchased by cd.”