Garrett Putman Serviss
1902 · Good
€40
Garrett Putman Serviss
1907 · Fair
€30
Garrett Putman Serviss
1909 · Good
€45
Florian Cajori
1929 · Good
€65
Ernst Fuchs
1916 · Good
€70
Lotta Jean Bogert
1935 · Fair
€20
A. Wilmer Duff
1916 · Very good
€65
Charles Riborg Mann
1916 · Very good
€35
Garrett Putman Serviss
1911 · Fair
€50
Garrett Putman Serviss
1913 · Good
€35
Rudolf Steiner, Max Gysi
1910 · Very good
€25
William Tyler Olcott
1935 · Fair
€15
British Museum (Natural History). Dept. of Mineralogy.
1916 · Good
€60
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Balfour Stewart
1919 · Good
€20
Marcellus Emants
1900 · Very good · NL
€25
Joseph William Richards
1907 · Fair
€45
H. Newell Martin
1903 · Fine
€40
Sir Robert Stawell Ball
1920 · Fair
€15
F. Max Müller
1910 · Very good
€35
Routh, Edward John
1920 · Good
€60
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
James Martineau
1935 · Very good
€80
Arthur A. Noyes
1935 · Good
€20
H. Newell Martin
1908 · Very good
€35
Rebecca Crumpler
1905 · Good
€35
Hugh S. Taylor
1933 · Good
€55
William Chase Stevens
1909 · Good
€20
Alfred E. Johnson
1927 · Good
€25
S. Weir Mitchell
1914 · Very good
€100
Maximilien Marie
1925 · Fine
€35
William Ledley Vosburgh
1918 · Very good
€90
Salisbury, Rollin D.
1909 · Fine
€65
Cassius Jackson Keyser
1935 · Good
€50
Joseph Pennell
1915 · Very good
€50
Richard C. Cabot
1908 · Good
€40
E. B. Jamieson
1914 · Fine
€40
I. F. Henderson
1926 · Very good
€40
Hermann Weyl
1921 · Very good
€80
Henri Bergson
1919 · Very good
€35
Frank Julian
1904 · Good
€60
Augustin Privat-Deschanel
1903 · Very good
€40
Patrick Geddes
1903 · Good
€70
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Mabel Osgood Wright
1903 · Good
€40
Charles Joseph Singer
1932 · Good
€25
Hermann Löns
1903 · Very good · NL
€155
Heraclitus of Ephesus
1918 · Good
€20
Ron Larson
1906 · Good
€45
Muir, Robert Sir, R MacSween
1935 · Very good
€80
J. W. Mackail
1935 · Good
€50
Haldane Macfall
1935 · Very good
€50
Harold Varley
1903 · Good
€105
O. Charnock Bradley
1922 · Fair
€55
W. H. R. Rivers
1927 · Good
€30
Henri Poincaré, Francis Maitland
1907 · Good
€60
Gaylord Johnson
1935 · Very good
€60
Hermann T. Vulté, George M S Joint Author Neustadt
1920 · Fair
€15
H. Stanley Redgrove
1911 · Fine
€170
Edwin A. Burtt
1926 · Very good
€25