Are you look for some great websites to get some Public Domain content? If so checkout the sites below.
- Project Gutenberg – Thousands of free eBooks of classic literature and public domain texts.
- Internet Archive – A digital library of books, audio, video, and software in the public domain.
- Wikimedia Commons – A vast collection of public domain and freely licensed images, videos, and audio.
- Public Domain Pictures – Free images and stock photos in the public domain.
- The Met Collection – Public domain art from the Metropolitan Museum of Art.
- Smithsonian Open Access – Public domain images and data from the Smithsonian Institution.
- Musopen – Free classical music recordings, sheet music, and educational resources.
- Free Music Archive – Music in the public domain and under Creative Commons licenses.
- Library of Congress Digital Collections – Public domain resources including books, photos, and maps.
- Europeana – Access to millions of public domain items from European museums, libraries, and archives.
- Digital Public Library of America – A collection of digitized historical and cultural artifacts.
- NASA Media Library – Free public domain images, videos, and audio from NASA.
- NOAA Photo Library – Public domain photographs and visualizations from NOAA.
- PubMed Central – Open-access biomedical and life sciences research articles
- Openverse: Search over 800 million Creative Commons and public domain images, audio, and other media types for reuse and remixing
I hope you find some thing in the websites above to be useful.