- California Institute of Technology (3)
- American Mathematical Society (1)
- Conference on Invertebrate Nervous Systems (1)
- Feynman, Richard Phillips, 1918-1988 (1)
- Hall, Marshall, 1910- (1)
- Institute on Finite Groups (1960 : Pasadena, California, California Institute of Technology) (1)
- Wiersma, C. A. G (1)