John Burnet
F. W. Farrar
Albert Taylor Bledsoe
Willard Huntington Wright
J. Manning Potts (ed.)
Alfred North Whitehead
Mrs. J. B. Dale
Manly P. Hall
Isaac Husik
H. P. Blavatsky
William Gemmell (tr.)
Henry Drummond
E. Vernon Arnold
Victor Cousin
Oliver Wendell Holmes Jr.
Edmund Burke
Arthur Drews
Augustine of Hippo
Iamblichus (tr. Thomas Taylor)
Mohammed Ali (pseud.)
Joseph Butler
Leo Markun
P. Coffey
G. W. F. Hegel (tr. William Wallace)