ʻUmar Abū al-Naṣr
Afonso Celso Maranhão Nina
Kazimierz Błahij
Anatoly Vasilievich Lunacharsky
Valentin Aleksandrovich Kamenskiĭ
Raymond Tschumi
Peter Rummel
Werner Sombart
A. Orszag
Alfred Malcolm Bancroft
T. H. Wilmshurst
Karlwilhelm Stratmann
Umberto Curi
Bernhard Heinrich Moll
Philip Morant