Provides access to more than one million digital images in the arts, architecture, humanities, and sciences. Search for images by keyword, title, creator, geography, classification, collection, and date.
Sign in or just click Explore. You can then get to a drop down box under Explore that allows you to explore images with various Creative Commons licenses.
Digitized copies of books listing copyright registrations by class from 1781 through 1978. There is a title index by year for books and other indexes for other classes. Renewals are included.
Allows you to search by author or title to see if a copyright was renewed. This database makes searchable the copyright renewal records received by the US Copyright Office between 1950 and 1992 for books published in the US between 1923 and 1963. Note that the database includes ONLY US Class A (book) renewals.
Creative Commons allows composers and musicians to define how their music can be used by others. This site searches for music that is licensed through the Creative Commons.
Artists can sign up to have albums included on NoiseTrade. They do accept donations (or tips) if you like an album. You are required to give your e-mail address and zip code for each album you download.