Inazō Nitobe
Kahlil Gibran
James Orr
John Stuart Mill
Arthur Schopenhauer
Peter Struve, Mikhail Gershenzon, Nikolai Berdyaev, Sergei Bulgakov, Aron Lande, Bogdan Kistyakovski, Semyon Frank
Theodor Herzl
Frederik van Eeden
Kakuzō Okakura
Friedrich Nietzsche
Edward Carpenter
Thomas Davidson