J. T. Crawford
1923 · Good
€25
Charles Elam
1869 · Good
€40
Herbert E. Cobb
1935 · Very good
€30
Dudley Allen Sargent
1917 · Very good
€30
Will Durant
1919 · Good
€50
Edwin Checkley
1890 · Good
€50
Richard C. Cabot
1908 · Good
€40
Steven S. Zumdahl
1907 · Very good
€25
Wilbur Pardon Bowen
1935 · Good
€50
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
G. W. C. Kaye
1915 · Good
€20
Mary Whiton Calkins
1910 · Very good
€35
Thomas Henry Huxley
1904 · Good
€35
Arthur Gordon Webster
1935 · Good
€20
Arthur Stanley Eddington
1924 · Good
€35
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Tito Vignoli
1885 · Good
€50
George A. Cornish
1923 · Very good
€35
John Dewey
1935 · Good
€30
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Garrett Putman Serviss
1913 · Good
€35
G. H. Hardy, T. W. Körner
1935 · Very good
€25
F. Matthias Alexander
1935 · Fine
€35
G. N. Watson
1935 · Good
€20
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Balfour Stewart
1919 · Good
€20
Matthew Arnold
1903 · Good
€40
Alfred L. Loomis
1877 · Good
€50
Dionysius Lardner
1875 · Very good
€50
Agnes Repplier
1894 · Very good
€45
Samuel Pierpont Langley
1903 · Good
€20
Carl David Tolmé Runge
1916 · Fine
€50
Catharine Esther Beecher
1877 · Good
€35
Edwin Emery Slosson
1935 · Very good
€40
Edouard Goursat
1933 · Very good
€30
José Raúl Capablanca
1921 · Very good
€25
Edward Sapir
1926 · Good
€40
Florian Cajori
1907 · Very good
€45
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
John Eric Erichsen
1908 · Good
€25
Arthur Clutton-Brock
1935 · Good
€20
Hamlin Garland, Jane Johnson
1898 · Very good
€45
Walter B. Cannon
1931 · Good
€20
Percival Lowell
1907 · Very good
€25
Irvin S. Cobb
1935 · Good
€50
Thomas Troward
1922 · Good
€30
Langdon-Brown, Walter Sir
1909 · Good
€40
Harm Bouwman
1916 · Very good · NL
€30
Arthur Schopenhauer
1868 · Good
€40
Lewis Mumford
1935 · Very good
€25
T. E. Hulme
1935 · Very good
€25
Havelock Ellis
1928 · Good
€30
Andrew Lang
1908 · Very good
€40
Charles Darwin
1919 · Good
€30
Thomas Henry Huxley
1901 · Good
€35
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Jacinto Benavente
1920 · Good
€20
Jules Bernard Luys
1909 · Good
€25
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Wilmore, Albert.
1921 · Good
€35