Carnegie Mellon Libraries Visual Resources Collection
High resolution subscription image databases plus carefully selected open-access image resources on the web.
Including these and more...
Credo Reference Image Search
Choose Image Search from the pull-down menu.
Oxford African American Studies Center: Images and Multimedia
Kanopy Streaming Service. Access to over 25,000 documentary and feature films on many subjects: arts, artists, business, global studies, health, sciences, technical training, etc.