Karl Marx
1853 · Very good
€55
Plotinus
1916 · Good
€75
Theodor Gomperz
1933 · Very good
€50
Benedetto Croce
1915 · Good
€30
Eduard Zeller
1912 · Very good
€55
Roger Eliot Fry
1921 · Fair
€55
H. L. Mencken
1910 · Good
€110
Edward Caird
1908 · Good
€25
George Edward Moore
1922 · Good
€50
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
Vladimir Il’ich Lenin, John Barber
1935 · Very good
€55
Roscoe Pound
1935 · Fair
€45
Georgiĭ Valentinovich Plekhanov
1899 · Very good
€145
F. H. Bradley
1891 · Fair
€30
Oliver Wendell Holmes, Sr.
1891 · Good
€115
Arthur, comte de Gobineau
1911 · Fair
€30
Richard Maurice Bucke
1935 · Very good
€85
Sir William Osler
1935 · Fair
€20
Maurice Joly, Veronica S. Jesus
1872 · Good
€65
Henry Longueville Mansel
1873 · Good
€60
Benedictus de Spinoza, Wolfgang Bartuschat
1896 · Good
€40
F. Max Müller
1914 · Very good
€25
William Walker Atkinson, Yogi Ramacharaka
1914 · Good
€40
Ralph Waldo Emerson
1871 · Very good
€90
M. E. Chevreul
1896 · Very good
€45
Bertrand Russell
1933 · Good
€60
Berdoe, Edward
1903 · Very good
€30
Christoph Ernst Luthardt
1884 · Good
€55
Johannes Hermanus Gunning
1876 · Very good · NL
€110
George Santayana, Colin D. Standish
1935 · Good
€55
William Edward Hartpole Lecky
1871 · Fair
€35
R. G. Collingwood
1929 · Good
€35
Friedrich Engels
1905 · Fine
€80
James E. Thorold Rogers
1893 · Very good
€175
John Henry Newman
1919 · Good
€70
Jacques Maritain
1921 · Very good
€45
R. G. Collingwood
1865 · Good
€45
George Santayana
1904 · Very good
€45
Edwin Hatch
1891 · Good
€50
Bertrand Russell
1904 · Good
€75
Edmund Husserl, F. Kersten
1931 · Fair
€20
Maurice Maeterlinck
1935 · Good
€40
Jacques Maritain
1935 · Good
€115
Frederick Charles Copleston
1910 · Very good
€40
John Stuart Mill
1882 · Fair
€40
Benedictus de Spinoza
1899 · Very good
€50
Dasgupta, Surendranath
1935 · Good
€20
Mark Twain
1919 · Fine
€65
Isaac Husik
1923 · Very good
€30
Friedrich Engels
1927 · Fair
€40
David Duncan
1904 · Good
€70
Library of Congress. Subject Cataloging Division.
1935 · Good
€70
Buddhaghosa.
1901 · Very good
€25
Leonardo da Vinci
1924 · Good
€55
Hügel, Friedrich Freiherr von
1935 · Very good
€55
Giacomo Leopardi
1921 · Fine
€125
Chancellor, William Estabrook
1908 · Good
€70
Benjamin N. Cardozo, Andrew L. Kaufman
1935 · Very good
€70
Plato
1859 · Good
€80
John Burnet
1918 · Good
€45