Regional Oral History OfficeThe Regional Oral History Office (ROHO), a division of The Bancroft Library, documents the history of California, the nation, and the interconnected global arena. ROHO produces carefully researched, audio/video-recorded and transcribed oral histories and interpretative historical materials for the widest possible use. ROHO has conducted over 4,000 oral histories, which totals tens of thousands of interview hours. Nearly every interview that has been transcribed is available for the public to read on the ROHO website.