Here is an example for a catalog search (keyword: Holocaust), limited by Material Type to Video/Film.
Films on Demand: A comprehensive collection of high-quality educational videos available for video streaming to the computer desktop. Titles cover a wide range of topics organized into subject folders. Individual Learning Objects for each title subdivide the videos into smaller segments.
Filmakers Library Online:Provides award-winning documentaries with relevance across the curriculum—race and gender studies, human rights, globalization and global studies, multiculturalism, international relations, criminal justice, the environment, bioethics, health, political science and current events, psychology, arts, literature, and more. It presents points of view and historical and current experiences from diverse cultures and traditions world-wide.
Education in Video: An online collection of streaming video developed specifically for training and developing teachers. Video titles include teaching demonstrations, lectures, documentaries, and primary-source footage of students and teachers in actual classrooms give education students a way to observe the intricacies of behavior, tone, facial expression, and body language that define effective teaching styles.
United States Holocaust Memorial Museum’s Steven Spielberg Film and Video Archive: The Archive serves as a comprehensive informational and archival resource worldwide for moving image materials pertaining to the Holocaust and related aspects of World War II. Staff continue to locate, acquire, preserve, and document historical film footage from sources throughout the United States and abroad.
The Visual Center - Online Film Database, Yad Vashem: A digital film library and comprehensive database of Holocaust-related cinema information and reference material.