Thomas Troward
1922 · Good
€30
Peter Kropotkin
1903 · Fair
€15
Maria Montessori
1931 · Good
€110
Friedrich Nietzsche
1915 · Fair
€25
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
Thomas Whittaker
1907 · Good
€95
Josiah Royce
1935 · Very good
€30
Norman Kemp Smith
1924 · Very good
€115
George Santayana, Colin D. Standish
1935 · Good
€55
Saint Clement of Alexandria
1901 · Very good
€25
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Margery Williams Bianco
1935 · Good
€20
George Santayana
1920 · Very good
€100
Arthur Schopenhauer
1902 · Fair
€20
Ernst Troeltsch
1916 · Very good
€55
Giordano Bruno, L. Williams
1912 · Very good
€110
Library of Congress. Subject Cataloging Division.
1935 · Good
€70
Josiah Royce
1914 · Fair
€25
Anselm of Canterbury, Anselm
1928 · Fair
€35
H. G. Wells
1935 · Very good
€40
Benjamin N. Cardozo
1924 · Very good
€25
Heraclitus of Ephesus
1918 · Good
€20
Rudolf Steiner, David W. Wood
1935 · Good
€20
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
John Cowper Powys
1933 · Very good
€50
John Henry Newman
1919 · Good
€70
Alexander Campbell Fraser
1901 · Good
€75
John Henry Newman
1900 · Good
€50
Charles William Eliot, Πλάτων
1911 · Good
€20
Benedictus de Spinoza
1909 · Good
€30
Upton Sinclair
1927 · Very good
€75
Auguste Comte
1930 · Good
€30
Bertrand Russell
1933 · Good
€60
George Santayana
1904 · Very good
€45
Eduard Zeller
1912 · Very good
€55
Mary Whiton Calkins
1910 · Very good
€35
Hastings Rashdall
1923 · Very good
€25
Hegeler Institute
1924 · Fine
€100
Isaac Husik
1923 · Very good
€30
William Walker Atkinson
1908 · Good
€30
Adriaan Pit
1930 · Good · NL
€25
Bertrand Russell
1935 · Good
€90
Ива́н Алекса́ндрович Гончаро́в
1915 · Very good
€35
Peter Kropotkin
1925 · Very good
€35
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Alfred North Whitehead
1931 · Fine
€60
Arthur, comte de Gobineau
1911 · Fair
€30
Bertrand Russell
1935 · Fair
€30
William James
1934 · Fair
€65
George Edward Moore
1913 · Good
€90
John Bagnell Bury
1925 · Good
€60
William Walker Atkinson, Yogi Ramacharaka
1914 · Good
€40
David Duncan
1904 · Good
€70
Wilhelm Worringer
1909 · Very good
€60
E. F. B. Fell
1909 · Good
€75
John Chipman Gray
1933 · Good
€35
Bhartr̥hari., Bhartr̥hari
1913 · Fair
€20
José Ortega y Gasset
1931 · Very good
€60
Giacomo Leopardi
1921 · Fine
€125
Edmund Husserl, F. Kersten
1931 · Fair
€20