Author/Creator
- California576
- California. Department of Water Resources568
- AM (Publisher), digitiser188
- California. Legislature. Joint Legislative Budget Committee. Legislative Analyst174
- California Energy Commission156
- Newberry Library, owner119
- California. State Department of Education103
- United States. Army. Corps of Engineers100
- United States. Congress. House. Committee on Resources92
- California. State Water Resources Control Board73
- California. Office of the Auditor General70
- Hopkins, T. A.70
- Hoos, Sidney Samuel, 1911-64
- California Youth Authority62
- California. Division of Highways62
- Hilgard, Eugene W. (Eugene Woldemar), 1833-191660
- United States. General Accounting Office60
- Adams, R. L. (Richard Laban), 1883-195758
- United States. Congress. Senate. Committee on Energy and Natural Resources58
- California. Legislature. Assembly. Interim Committee on Water49