This small series, described on folder and item level, consists of photographs, slide and transparencies, audio, video, and digital materials from David Hamburg collection. Audio and video materials primarily represent conference presentations and addresses, many of them were digitized for preservation and access purposes, including reel-to-reel audio tapes of a Hamburg-Goodall presentation during the Burg Wartenstein Conference #62 "The Behavior of Great Apes" organized by David Hamburg and Jane Goodall in August of 1974.