John C. Stillwell
K. D. Joshi
Maurice Fréchet
Neil White
Daniel E. Cohen
Chen Chuan-Chong
Unknown Author
Stewart Scott Cairns
P. S. Aleksandrov
Advanced Study Institute on Combinatorics Breukelen, Netherlands 1974.
Thomas Beth
Kurt Reidemeister
M. Lothaire
W. W. Comfort
L. S. Pontri͡agin
W. Metzler
Harry Furstenberg
E. C. Zeeman
Filippo Callegaro