- Novák, Josef, 1905- (2)
- Symposium on General Topology and Its Relations to Modern Analysis and Algebra (2)
- Československá akademie věd (2)
- Allendoerfer, Carl B. (Carl Barnett), 1911-1974 (1)
- American Mathematical Society (1)
- Fort, M. K. (Marion Kirkland), 1921- (1)
- Georgia Topology Conference (1)
- International Mathematical Union (1)
- International Symposium on Topology and its Applications (1st : 1968 : Herceg-Novi, Montenegro) (1)
- Savez društava matematičara, fizičara i astronoma Jugoslavije (1)
- Symposium in Pure Mathematics (1)
- University of Georgia (1)