| Source | Type | Link |
| Biodiversity Heritage Library | eBooks | https://www.biodiversitylibrary.org/ |
| Digital Public Library of America (DPLA) | Photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents | https://dp.la/ |
| Europeana Collections | Documents, maps, manuscripts, music, art | https://www.europeana.eu/en/collections |
| Flickr: The Commons | Photos | https://www.flickr.com/commons |
| Freepik | Photos, videos, vectors, AI images | https://www.freepik.com/ |
| Getty Images’ Free Images | Images | https://www.gettyimages.com/photos/free-of-charge |
| Google Books | eBooks | https://books.google.com/ |
| GOVInfo | Reports | https://www.govinfo.gov/ |
| HathiTrust Digital Library | eBooks | https://www.hathitrust.org/ |
| Internet Archive | Books, movies, music | https://archive.org/ |
| Library of Congress Digital Collections | Maps, photographs, letters, diaries, newspapers, sound recordings, films | https://www.loc.gov/collections/world-digital-library/about-this-collection/ |
| LibriVox | Audiobooks | https://librivox.org/ |
| Location Textures | Free panoramas | https://locationtextures.com/panoramas/free-panoramas/ |
| Loyal Books | Audio books, eBooks | https://www.loyalbooks.com/ |
| Magdeleine | Images | https://magdeleine.co/ |
| MET Collection-Open Access | Images | https://www.metmuseum.org/about-the-met/policies-and-documents open-access |
| MorgueFile | Photos | https://morguefile.com/ |
| NASA | Images | https://www.nasa.gov/ |
| Negative Space | Images | https://negativespace.co/ |
| Pixabay | Images, videos, illustration, vectors, music, sound effects, GIFs | https://pixabay.com/ |
| Poly Haven | 3D assets | https://polyhaven.com/ |
| Project Gutenberg | eBooks | https://www.gutenberg.org/ |
| Public Domain Review | Art, literature, film | https://publicdomainreview.org/ |
| Public Domain Vectors | Vectors that are available in SVG, AI, and EPS formats | https://publicdomainvectors.org/ |
| Smithsonian Institution | Images, documents | https://www.si.edu/openaccess/ |
| Textures | 3D assets | https://www.textures.com/ |
| The Literature Network | Oline literature | https://www.online-literature.com/ |
| Unsplash | High resolution photos | https://unsplash.com/ |
| Wikimedia Commons | Images, music, sound, and other multimedia files | https://commons.wikimedia.org/wiki/Main_Page |
| Wikisource | Text, images, video | https://en.wikisource.org/wiki/Main_Page |
</table
ICGN131 DSearch