Laura Dahlquist
E. I. Kamentseva
Ordnance Survey
British Association for the Advancement of Science. Research Committee.
Adolf Deissmann
Nicholas Patrick Wiseman
Jean Alexandre Dieudonné
Southern Association of Agricultural Scientists. Rural Sociology Section. Meeting
Colloque sur la théorie des suites (1957 Brussels, Belgium)
André Tridon
Holy Ghost Fathers.
José Milla
S. A. J. Tarr