The Art in the Christian Tradition (ACT) database is a freely available, regularly updated visual image internet resource. Designed for scholars, students, pastors, and religious educators, all of the images may be used for educational and/or religious non-profit purposes.
OCLC's Catalog of Art Museum Images Online — is a growing online collection documenting works of art from around the world, representing the collections of prominent museums. CAMIO highlights the creative output of cultures around the world, from prehistoric to contemporary times, and covering the complete range of expressive forms.
The Prints and Photographs Online Catalog (PPOC) contains catalog records and digital images representing a rich cross-section of still pictures held by the Prints & Photographs Division and, in some cases, other units of the Library of Congress. The Library of Congress offers broad public access to these materials as a contribution to education and scholarship.