A. Wilmer Duff
1916 · Very good
€65
Balfour Stewart
1919 · Good
€20
Arthur Stanley Eddington
1924 · Good
€35
Edouard Goursat
1933 · Very good
€30
Joseph William Richards
1907 · Fair
€45
Salisbury, Rollin D.
1909 · Fine
€65
Florian Cajori
1929 · Good
€65
Samuel Colman, Samuel Colman
1935 · Good
€30
Hugh S. Taylor
1933 · Good
€55
Riccardo Nobili
1935 · Good
€25
Heraclitus of Ephesus
1918 · Good
€20
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Ron Larson
1906 · Good
€45
Routh, Edward John
1920 · Good
€60
Garrett Putman Serviss
1907 · Fair
€30
Garrett Putman Serviss
1909 · Good
€45
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Lotta Jean Bogert
1935 · Fair
€20
Edwin A. Burtt
1926 · Very good
€25
R. M. Caven
1923 · Good
€35
Augustin Privat-Deschanel
1903 · Very good
€40
Arthur A. Noyes
1935 · Good
€20
Charles Riborg Mann
1916 · Very good
€35
Hermann Weyl
1921 · Very good
€80
Richard C. Cabot
1908 · Good
€40
Garrett Putman Serviss
1911 · Fair
€50
Ernst Fuchs
1916 · Good
€70
Wilmore, Albert.
1921 · Good
€35
Garrett Putman Serviss
1913 · Good
€35
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
H. Stanley Redgrove
1911 · Fine
€170
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Frank Julian
1904 · Good
€60
Walter Crane
1911 · Very good · NL
€25
Alfred E. Johnson
1927 · Good
€25
George Frederick Kunz
1935 · Very good
€40
Henry Adams
1926 · Good
€90
William H. Chapin
1933 · Very good
€35
John Dewey
1910 · Fine
€30
Stephen Walter Ranson
1933 · Very good
€40
Garrett Putman Serviss
1902 · Good
€40
Parmenides.
1902 · Fair
€35
Rudolf Steiner, Max Gysi
1910 · Very good
€25
J. J. Graham Brown
1901 · Very good
€50
Daniel John Cunningham
1919 · Very good
€40
William Tyler Olcott
1935 · Fair
€15
Joseph Pennell
1915 · Very good
€50
I. F. Henderson
1926 · Very good
€40
Frank E. Beddard
1902 · Very good
€25
Haldane Macfall
1935 · Very good
€50
Arthur Quiller-Couch
1935 · Good
€60
John H. Vanderpoel
1935 · Good
€20
British Museum (Natural History). Dept. of Mineralogy.
1916 · Good
€60
Henri Bergson
1919 · Very good
€35
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
James Martineau
1935 · Very good
€80
Laurence Binyon
1909 · Fair
€20
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Gaylord Johnson
1935 · Very good
€60