Cassius Jackson Keyser
1935 · Good
€50
Edouard Goursat
1933 · Very good
€30
Joseph William Richards
1907 · Fair
€45
Florian Cajori
1929 · Good
€65
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
P. Wijdenes
1932 · Very good · NL
€60
Ron Larson
1906 · Good
€45
Mary Whiton Calkins
1910 · Very good
€35
Samuel Colman, Samuel Colman
1935 · Good
€30
Heraclitus of Ephesus
1918 · Good
€20
Charles Riborg Mann
1916 · Very good
€35
William Ledley Vosburgh
1918 · Very good
€90
Samuel Schoch
1935 · Very good · NL
€55
Augustin Privat-Deschanel
1903 · Very good
€40
Marcellus Emants
1900 · Very good · NL
€25
James Joseph Sylvester
1927 · Good
€30
Ernst Cassirer
1930 · Good
€30
A. Wilmer Duff
1916 · Very good
€65
Richard C. Cabot
1908 · Good
€40
Maximilien Marie
1925 · Fine
€35
James Martineau
1935 · Very good
€80
Balfour Stewart
1919 · Good
€20
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Edwin A. Burtt
1926 · Very good
€25
Arthur Stanley Eddington
1924 · Good
€35
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Henri Bergson
1919 · Very good
€35
Frank Julian
1904 · Good
€60
Charles George Herbermann, Edward Aloysius Pace
1935 · Fair
€15
Garrett Putman Serviss
1913 · Good
€35
Routh, Edward John
1920 · Good
€60
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Erwin Rohde
1902 · Fair
€15
Garrett Putman Serviss
1909 · Good
€45
Parmenides.
1902 · Fair
€35
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Lotta Jean Bogert
1935 · Fair
€20
Museum Mesdag
1913 · Fair · NL
€20
Garrett Putman Serviss
1907 · Fair
€30
Salisbury, Rollin D.
1909 · Fine
€65
Arthur A. Noyes
1935 · Good
€20
John Edwin Sandys, Sir
1932 · Very good
€25
H. Stanley Redgrove
1911 · Fine
€170
William Chase Stevens
1909 · Good
€20
Thomas Whittaker
1907 · Good
€95
Wilmore, Albert.
1921 · Good
€35
I. A. Kapandji
1919 · Very good
€85
Hugh S. Taylor
1933 · Good
€55
Garrett Putman Serviss
1902 · Good
€40
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
Walter Crane
1911 · Very good · NL
€25
Jan Frederik Beerens
1910 · Fine · NL
€50
Eugen Horn
1900 · Good · NL
€50
Emmanuel Levinas
1935 · Good
€35
John Galsworthy
1935 · Fine
€105
Charles Joseph Singer
1932 · Good
€25
Sir Robert Stawell Ball
1920 · Fair
€15
Hermann Weyl
1921 · Very good
€80