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.". More information...
According to PR-model, der.org is ranked 97,777th in multilingual Wikipedia, in particular this website is ranked 58,225th in English Wikipedia.
The website is placed before zrtg.com and after beegees.com in the BestRef global ranking of the most important sources of Wikipedia.