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- Symposium on Light and Life Johns Hopkins University) 1960-
- Symposium on Management of Forest and Range Habitats for Nongame Birds Tucson, Ariz.) 1975-
- Symposium on Marine Microbiology Chicago) 1961-
- Symposium on Microseisms Harriman, N.Y.) 1952-
- Symposium on Mutation and Plant Breeeding Cornell University)) 1960-
- Symposium on Naval Hydrodynamics Bergen, Norway) 1964-
- Symposium on Naval Hydrodynamics California Institute of Technology) 1970-
- Symposium on Naval Hydrodynamics Paris) 1972-
- Symposium on Naval Hydrodynamics Rome, Italy) 1968-
- Symposium on Naval Hydrodynamics Scheveningen, Netherlands) 1960-
- Symposium on Naval Hydrodynamics University of Michigan) 1982-
- Symposium on Naval Hydrodynamics Washington, D.C.) 1956-
- Symposium on Naval Hydrodynamics Washington, D.C.) 1966-
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- Symposium on Protein Structure Collège de France) 1957-
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- Symposium on Shrub Ecophysiology and Biotechnology Logan, Utah) 1987-
- Symposium on the Biology of Artemisia and Chrysothamnus Provo, Utah) 1984-
- Symposium on the Botany and Natural History of Panama University of Panama) 1980-
- Symposium on the Ontogenetic Development of Insects Prague, Czechoslovakia) 1959-
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- Symposium on the South American Herpetofauna Lawrence, Kan.) 1977-
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- Systematic Botany and Mycology Laboratory (U.S.)
- Systematic Entomology Laboratory (U.S.)
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