Creative Commons is a nonprofit organization that enables the sharing and use of creativity and knowledge through free legal tools. The search page provides a portal to image and media sites with content that is licensed for public use.
The Internet Archive is a non-profit organization dedicated to providing permanent access for researchers, historians, scholars, people with disabilities, and the general public to historical collections that exist in digital format that includes texts, audio, moving images, software, and archived web pages.
Access to over 12 million current and historical news photographs, and 36,000 audio sound bites. Also includes 340,000 graphics images, including maps, graphs, charts, logos, flags and more. Coverage: 1826-present.
The Library of Congress makes more than 2 million items from its collection available online, including images, manuscripts, books, notated music, audio and video recordings, and more.