1. British Library Archives & Manuscripts
  2. Comic Book Plus
  3. Comic Strip Library
  4. Creative Commons
  5. Digital Comic Museum
  6. Digital Commonwealth
  7. Internet Archive
  8. Librivox
  9. Luminarium: Anthology of English Literature
  10. NASA Image & Video Library
  11. Open access image libraries list
  12. Open Culture
  13. OpenSource
  14. Project Gutenberg
  15. Public Domain Review
  16. Public.Resource.Org
  17. Pulp Magazines Project
  18. Smithsonian Open Access
  19. University of Nebraska-Lincoln Collections
  20. Unsplash
  21. Wikimedia Commons
  22. Wikiversity
  23. WikiSource
  24. Yale Digital Content