Ethnographic Video Online: Volumes I and II This link opens in a new windowprovides the largest, most comprehensive resource for the study of human culture and behavior, more than 750 hours and 1,000 films at completion. The collection covers every region of the world and features the work of many of the most influential documentary filmmakers of the 20th century, including interviews, previously unreleased raw footage, field notes, study guides, and more.