Auguste Sabatier
Arthur Davison Ficke
Max Nordau
Delton Thomas Howard
Arnold Haultain
William Stebbing
Solomon Maimon
Émile Faguet
Octavius Brooks Frothingham
Dante Alighieri
John Burroughs
Arthur Fairbanks
George Santayana
Charles Godfrey Leland
Sydney T. Klein
William Thomas Thornton
Plutarch (tr. Andrew P. Peabody)
Walter Pater
William Whewell
Edwin E. Slosson
Milton Valentine
Johann Georg Zimmermann
Alexander Bain
