Public Domain – Link Dump

• Internet Archive
• National Archives
• Library of Congress – Digital Collections
• Smithsonian – Open Access
• NASA Image and Video Library
• U.S. Fish and Wildlife Service- National Digital Library
• U.S. Geological Survey – Library Photographic Collection
• Open Library
• Digital Public Library of America
• Project Gutenberg
• Europeana
• HathiTrust Digital Library
• Biodiversity Heritage Library
• The Public Domain Review

  • Parent Folder – Reference

General Reference – Link Dump

Reference
• Wayback Machine
• Encyclopedia of Life
• Low Tech Magazine – Archive
• Stack Exchange
• The Straight Dope
• Instructables
• Is It Down Right Now? – Website Checker
• Govinfo.gov – U.S. Government Publishing Office
• Archive Today

  • Parent Folder – Reference