- Historian of Slavery, the Civil War, and Reconstruction, University of California, Berkeley, 1946-1983: Oral History Transcript / 199
- Intellectual Life, Civil Libertarian Issues, and the Student Movement at the University of California, Berkeley, 1960-1969: Oral History Transcript / 200
- Executive director of the Sierra Club, 1987-1992: oral history transcript / 199
- Attorney and activist for the environment, 1962-1992: oral history transcript : opposing nuclear power at Bodega Bay and Point Arena, managing California forests and East Bay regional parks / 199
- From Pardee to Buckhorn: Water Resources Engineering and Water Policy in the East Bay Municipal Utility District, 1927-1991: Oral History Transcript / 199