Florian Cajori
1929 · Good
€65
A. Wilmer Duff
1916 · Very good
€65
Balfour Stewart
1919 · Good
€20
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Hugh S. Taylor
1933 · Good
€55
H. Newell Martin
1903 · Fine
€40
H. Stanley Redgrove
1911 · Fine
€170
Charles Riborg Mann
1916 · Very good
€35
Cassius Jackson Keyser
1935 · Good
€50
Joseph William Richards
1907 · Fair
€45
Mabel Osgood Wright
1903 · Good
€40
Garrett Putman Serviss
1907 · Fair
€30
William Chase Stevens
1909 · Good
€20
Edward Carpenter
1906 · Good
€25
Clive Bell
1935 · Very good
€120
Augustin Privat-Deschanel
1903 · Very good
€40
Arthur A. Noyes
1935 · Good
€20
Frank Julian
1904 · Good
€60
Garrett Putman Serviss
1909 · Good
€45
Wilmore, Albert.
1921 · Good
€35
H. Newell Martin
1908 · Very good
€35
Lotta Jean Bogert
1935 · Fair
€20
James Martineau
1935 · Very good
€80
Garrett Putman Serviss
1913 · Good
€35
O. Charnock Bradley
1922 · Fair
€55
Hermann Weyl
1921 · Very good
€80
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Garrett Putman Serviss
1911 · Fair
€50
Henri Poincaré, Francis Maitland
1907 · Good
€60
Lewis Foreman Day
1910 · Very good
€25
Salisbury, Rollin D.
1909 · Fine
€65
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Arthur Stanley Eddington
1924 · Good
€35
Le Roy Lewis
1914 · Good
€20
Ron Larson
1906 · Good
€45
Lucien Geschwind
1934 · Good
€55
I. F. Henderson
1926 · Very good
€40
Garrett Putman Serviss
1902 · Good
€40
H. Koffyberg
1924 · Fair · NL
€20
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Alexander Lowy, Benjamin Harrow
1924 · Fine
€120
Sir Robert Stawell Ball
1920 · Fair
€15
H. G. Wells
1935 · Very good
€40
Patrick Geddes
1903 · Good
€70
Grant Allen
1910 · Good
€40
Routh, Edward John
1920 · Good
€60
Stefan Zweig
1935 · Good
€35
Edwin A. Burtt
1926 · Very good
€25
Abraham Kuyper
1911 · Fine · NL
€30
Henry Adams
1926 · Good
€90
Stephen Walter Ranson
1933 · Very good
€40
W. H. R. Rivers
1927 · Good
€30
H. G. Wells
1911 · Very good
€40
Richard C. Cabot
1908 · Good
€40
Charles Hazzard
1935 · Very good
€25
Howell, Thomas
1909 · Very good
€30
Ernst Cassirer
1930 · Good
€30
Peter Kropotkin
1925 · Very good
€35
Thomas Walker Arnold
1918 · Good
€85
Frank E. Beddard
1902 · Very good
€25