- S2005-2006 #6: Integrative Biology (UC Berkeley)/Timothy D. White (October 12, 2005–November 20, 2020)105 objects
- S1938-1939 #1: Golden Gate International Exposition (February 14, 1939–October 11, 1940)79 objects
- S1992-1993 #29: Burke Museum of Natural History & Culture/Jack Broughton (June 1993–October 8, 1996)56 objects
- S2008-2009 #11: Seed Lab, Plant Pest Diagnostics Center (CA Dept. of Food and Agriculture)/Department of Agriculture, UC Davis (April 6, 2009–December 1, 2009)48 objects
- S1996-1997 #3: Great Valley Museum of Natural History (September 4, 1996–December 17, 1996)47 objects
- S1987-1988 #41: University of North Carolina/Geirge R. Holcomb (March 29, 1988–July 6, 1990)45 objects
- S2001-2002 #10: Integrative Biology (UC Berkeley)/Timothy D. White (November 30, 2001–November 30, 2002)38 objects
- S1987-1988 #43: Sonoma County Museum (April 19, 1988–September 12, 1988)36 objects
- S1964-1965 #72: Heard Museum (March 25, 1965–September 24, 1965)35 objects
- S1967-1968 #97: Junior Center of Art and Science (February 27, 1968–May 1, 1968)35 objects
- S1975-1976 #43: California Academy of Sciences (December 16, 1975–March 23, 1978)32 objects
- S1964-1965 #34a: University of Pennsylvania Museum (Philadelphia) (November 16, 1964–March 25, 1966)29 objects
- S1971-1972 #13: California State University, Sacramento (August 16, 1971–September 9, 1971)29 objects
- S1964-1965 #3: Palo Alto Junior Museum and Zoo (July 13, 1964–October 19, 1964)27 objects
- S1979-1980 #9: DeAnza College (August 31, 1979–December 17, 1979)27 objects
- S1964-1965 #31: Science Center (Diablo Valley College) (1960–July 21, 1967)25 objects
- S1987-1988 #36: Mills College (March 11, 1988–May 23, 1988)25 objects
- S1996-1997 #8: Bancroft Library (UC Berkeley) (November 6, 1996–December 18, 1996)23 objects
- S2004-2005 #8: Anthropology (UC Berkeley)/Kent Lightfoot (dates unknown)23 objects
- S1961-1962 #28: Samuel A. Barrett (November 17, 1961–November 17, 1961)21 objects