United Workmen, 2012: 110

Universal Benevolent Association of California, 1963: 51

University Extension Service, 1975: 43

University of California (Archaeology Department), 1971: 79

University of California, 1962: 110, 122, 143; 1971: 54; 1977: 125; 2018: 87, 88, 97

University of California, Berkeley, 1962: 21, 86; 1967: 71; 1970: 23, 83; 1971: 2; 1988: 61; 1991: 18, 60, 90

University of California, Blue Stem Wheat, 1985: 57

University of California, Davis, 1958: 21; 1963: 83; 1988: 35, 69; 1991: 95

University of California, Dental College, 1962: 133

University of California, Intermountain Research and Extension Center, 2005: 134

University of California, Medical School, 1962: 18

University of California, Santa Barbara, 1960: 83

University of Pennsylvania, 1967: 71; 1988: 104

University of Rochester, Medical School, 1962: 19

University of Texas, 1970: 23

University of the Pacific, 1988: 111

Unmentionable Women of Siskiyou County, 2001: 37 photo

Unruh, Elizabeth (Stallcup), 1961: 83

Unruh, Ira, 1961: 74

Unruh, Mr., 1954 No. 5: back ad section photo

Upgrade Mine, 2009: 143

Upham, Lester A., 1969: 29; 2008 Dorris: 207

Upland, 1977: 35

Upper Alkali Lake, 1973: 74

Upper Crossing (Bear Creek), 1957 No. 9: 22

Upper Falls (McCloud River), 1997: 5 photo; 2003: 118 photo; 2014: back ad section photo

Upper Falls, 1997: 5

Upper Flat, 1960: 48

Upper Gap, 2001: 50

Upper High Rocks Canyon, 1973: 71