Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
George Boole
1856 · Good
€90
Edouard Goursat
1933 · Very good
€30
P. Wijdenes
1932 · Very good · NL
€60
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
William Ledley Vosburgh
1918 · Very good
€90
Maximilien Marie
1925 · Fine
€35
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Sextus Empiricus.
1887 · Good
€40
W. W. Rouse Ball, H. S. M. Coxeter
1898 · Fair
€125
William Allen Whitworth
1870 · Very good
€55
Ron Larson
1906 · Good
€45
Henri Poincaré
1906 · Very good
€45
Samuel Colman, Samuel Colman
1935 · Good
€30
Balfour Stewart
1919 · Good
€20
Cassius Jackson Keyser
1935 · Good
€50
Joseph William Richards
1907 · Fair
€45
D. Bierens de Haan
1898 · Very good · NL
€90
Edmund Husserl
1913 · Good
€45
Michael Faraday
1874 · Fine
€65
Clemens Brentano
1894 · Very good
€45
Samuel Pierpont Langley
1889 · Good
€45
Ernst Cassirer
1930 · Good
€30
James Joseph Sylvester
1927 · Good
€30
Marcellus Emants
1900 · Very good · NL
€25
Walter Crum Watson
1917 · Fair
€25
Augustin Privat-Deschanel
1903 · Very good
€40
Eugen Horn
1900 · Good · NL
€50
Johan Hendrik Gallée
1882 · Very good · NL
€110
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Brooks Adams
1897 · Fine
€190
Amédée Guillemin
1892 · Good
€85
Lotta Jean Bogert
1935 · Fair
€20
James McNeill Whistler
1895 · Good
€120
S. Coolsma
1902 · Good · NL
€80
Edwin A. Burtt
1926 · Very good
€25
Alexander Ziegler
1874 · Very good · NL
€165
Heinrich Durège, George Egbert Fisher
1867 · Good
€60
Arie Mijnlieff
1881 · Good · NL
€120
Eliza Laurillard
1891 · Fair · NL
€45
A. S. Neill
1933 · Good
€90
Annie Salomons
1923 · Very good · NL
€25
Arthur Wesley Dow
1935 · Good
€25
Wilmore, Albert.
1921 · Good
€35
Garrett Putman Serviss
1913 · Good
€35
Carl Adolf Elias
1893 · Good · NL
€170
Willem Bilderdijk
1864 · Good · NL
€85
A. Wilmer Duff
1916 · Very good
€65
Henri Bergson
1919 · Very good
€35
Julien Wolbers
1871 · Good · NL
€115
Garrett Putman Serviss
1909 · Good
€45
Florian Cajori
1929 · Good
€65
James Clerk Maxwell
1881 · Good
€125
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
John Ruskin
1888 · Fair
€55
Jacob Van Beek
1921 · Good · NL
€25
Emmanuel Levinas
1935 · Good
€35
Maurits Esser
1917 · Fair · NL
€15
Mabel Osgood Wright
1903 · Good
€40