UCLA Center for Oral History Research (COHR) This link opens in a new windowCOHR conducts in-depth, multi-session oral history interviews with individuals who have been a part of the history of Los Angeles and its many communities. Over 2000 interviews document a wide range of areas related to Southern California history, including the histories of Black, indigenous, people of color and immigrant communities, the arts, political activism, politics and government, and UCLA history. Transcripts available in Library Special Collections (YRL).