Richard Watson
1830 · Fine
€145
John Ruskin
1879 · Good
€100
Michael Faraday
1874 · Fine
€65
Sarojini Naidu, Arthur Symons
1905 · Fair
€30
Wilson, Erasmus Sir
1849 · Very good
€170
A. S. Neill
1935 · Very good
€45
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Julius Berend Cohen
1896 · Fair
€45
Fresenius, C. Remigius
1852 · Very good
€85
Richard Wagner
1821 · Good
€325
Joseph Pennell
1915 · Very good
€50
Garrett Putman Serviss
1911 · Fair
€50
M. Büsgen
1897 · Good
€65
Albert Antonie Nijland
1906 · Good · NL
€45
William Cullen
1801 · Very good
€165
E. C. Gardner
1884 · Fair
€115
John Dewey
1923 · Very good
€25
Vreeswijk, Johannes Adrianus, jr.
1909 · Good · NL
€25
Bertrand Russell
1916 · Good
€80
Samuel Pierpont Langley
1903 · Good
€20
Rabindranath Tagore
1917 · Very good
€35
Adriaan Heynsius
1908 · Very good · NL
€70
Alfred Walter Stewart
1912 · Good
€25
Phillips Brooks
1915 · Good
€65
A. S. Neill
1933 · Good
€90
Snyder, Harry
1925 · Good
€20
Denison Olmsted
1857 · Fair
€40
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Andrew Lang
1916 · Fine
€55
Santiago Ramón y Cajal
1935 · Good
€45
Emanuel Hiel
1901 · Fine · NL
€130
Aristotle
1578 · Good
€465
Hall, Robert
1891 · Good
€170
Alfred Kaestner
1904 · Very good
€35
Aristotle
1811 · Good
€125
George Berkeley
1739 · Good
€345
Sir Francis Galton
1870 · Fine
€95
Fresenius, C. Remigius
1871 · Good
€70
Muir, Robert Sir, R MacSween
1935 · Very good
€80
Jacinto Benavente
1920 · Good
€20
Gerlof van Vloten
1901 · Fair · NL
€15
A. Kuyper
1931 · Very good · NL
€55
Elias Loomis
1854 · Good
€105
Seneca the Younger
1744 · Fair
€130
Albert Bielschowsky, Theobald Ziegler
1902 · Very good
€25
John Burroughs, John Burroughs
1929 · Fair
€75
Jean Calvin
1541 · Very good
€910
Ralph Waldo Emerson
1893 · Fair
€90
Jan Luiken
1724 · Good · NL
€410
P. de Haan
1932 · Very good · NL
€50
Samuel Cooper
1811 · Very good
€110
Max Rooses
1916 · Fair · NL
€15
Alfred L. Loomis
1877 · Good
€50
British Ornithologists' Union
1868 · Good
€105
John Ayrton Paris
1824 · Good
€110
Annie Salomons
1923 · Very good · NL
€25
O. M. Mitchel
1852 · Good
€45
Charles Elam
1869 · Good
€40
Alexander Wilson
1825 · Good
€175
Richard A. Proctor
1918 · Good
€50