Documentary Educational Resources (DER) is a US non-profit producer and distributor of film and video in anthropology and ethnology. It was founded in 1968 by independent filmmakers John Marshall and Timothy Asch and is based in Watertown, Massachusetts. Its mission is "to promote thought-provoking documentary film and media for learning about the people and cultures of the world.". References External links Official website of Documentary Educational Resources Record for DER at intute.ac.uk IMDB record for Documentary Educational Resources Film distributors of the United States Visual anthropology Documentary film organizations Organizations based in Massachusetts