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Offers over 350,000 high quality images with comprehensive descriptive data. Images are downloadable and cover architecture, landscape, woodblock prints, political Americana and more.

The Library of Congress has millions of digitized photos, maps, films, music scores, manuscripts, newspapers, artwork, and lots more.

Maps, photographs, letters, advertisements, records, artifacts, sheet music and much more from Tennessee's history.

"All photos published on Unsplash can be used for free. You can use them for commercial and noncommercial purposes. You do not need to ask permission from or provide credit to the photographer or Unsplash, although it is appreciated when possible.

More precisely, Unsplash grants you an irrevocable, nonexclusive, worldwide copyright license to download, copy, modify, distribute, perform, and use photos from Unsplash for free, including for commercial purposes, without permission from or attributing the photographer or Unsplash. This license does not include the right to compile photos from Unsplash to replicate a similar or competing service." - from Unsplash License webpage

"You can use all photos on Pexels for free and modify as you like. Attribution is not required. Giving credit to the photographer or Pexels is not necessary but always appreciated.

You CANNOT sell unaltered copies of a photo, e.g. don't sell it as a stock photo, poster, print or on a physical product without adding any value, imply endorsement of your product by people or brands on the image, redistribute or sell the photos on other stock photo or wallpaper platforms. Identifiable people may not appear in a bad light or in a way that is offensive." - Adapted from Pexels License webpage

"You are allowed to use any of the free images published in Barnimages collections for commercial and non-commercial purposes. However, the image copyright is still the property of its author. You cannot resell our photographs as prints, as photo stock (whether free or paid) or redistribute them anywhere else. You cannot claim the images as your own as well." - from Barnimages License webpage

"For use in commercial & noncommercial work. You can adapt, modify, and get paid for work that incorporates these images. You can use in any medium.

You CANNOT redistribute the pictures, including on other stock sites, or give them to other people to use. You can’t claim the photos as your own or imply that Gratisography or any of the models, brands, or anything in the pictures has endorsed you or your product. Gratisography pictures can’t be used in criminal, defamatory, hateful, unlawful, of immoral purposes such as drug use, pornography, weapons, or prostitution." - adapted from Gratisography License webpage

Open access shared images, audio clips, and similar things that can be used without royalty or copyright.