Stanford's Copyright Renewal Database compiles all US Class A (book) renewal registrations for works published between 1923 and 1963. These renewals were received by the US Copyright Office between 1950 and 1993.
The Digital Image Rights Computator (DIRC) program is intended to assist the user in assessing the intellectual property status of a specific image documenting a work of art, a designed object, or a portion of the built environment. Understanding the presence or absence of rights in the various aspects of a given image will allow the user to make informed decisions regarding the intended educational uses of that image.