by E. E. (Edmund Edward) Fournier d'Albe
by Guglielmo Ferrero
by J. B. (John Bagnell) Bury
by Alfred Korzybski
by James P. (James Penny) Boyd
by Frank W. (Frank Wilson) Blackmar
by W. M. Flinders (William Matthew Flinders) Petrie
by Guglielmo Ferrero
by Harry Emerson Fosdick