Alexander von Humboldt
1876 · Very good
€150
Moritz Richard Schomburgk, Walter E. 1861?-1933 Roth
1868 · Fair
€140
Alexander von Humboldt
1853 · Very good
€50
Charles Lucian Bonaparte, Alexander Wilson
1842 · Good
€280
Alexander von Humboldt
1841 · Good
€160
Alexander Wilson
1825 · Good
€175
Elisha J. Lewis
1857 · Good
€75
Samuel Hall Young
1935 · Good
€25
François André Michaux
1824 · Fine
€405
Robert Hooke
1896 · Fair
€35
Joseph Grinnell
1931 · Good
€75
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
Thomas Browne
1651 · Good
€520
Heindel, Max, Max Heindel
1918 · Very good
€30
Immanuel Kant
1767 · Good
€520
August Johann Rösel von Rosenhof
1771 · Fine · NL
€300
M'Clintock, Francis Leopold Sir
1860 · Good
€170
Ernst Heinrich Philipp August Haeckel
1897 · Good
€125
John Ruskin
1908 · Very good
€100
Frank R. Stockton
1896 · Fine
€60
Hans Christian Andersen, Jin-kyeong Lee
1890 · Good
€70
Rudolf Těsnohlídek
1923 · Very good
€35
Thomas Pennant
1788 · Fair
€305
Georg Agricola, Herbert Clark Hoover
1541 · Good
€620
Kalm, Pehr, Adolph B. Benson
1765 · Fine
€515
Victor Ernest Shelford
1935 · Fair
€20
Ernst Cassirer
1930 · Good
€30
Johannes Hoops
1911 · Good
€65
Henry David Thoreau
1908 · Very good
€70
Christopher Morley
1935 · Good
€30
Campbell, Douglas Houghton
1911 · Fair
€25
Henri van Heurck
1869 · Very good · NL
€75
Marcos Sastre
1816 · Fair
€140
Herbert Eugene Walter, Alice Hall Walter
1920 · Good
€65
Hooker, William Jackson Sir
1881 · Very good
€205
William Benjamin Carpenter
1893 · Good
€105
Jean Louis Rodolphe Agassiz
1888 · Good
€45
Robert Hooke
1672 · Very good
€770
Aristotle
1884 · Very good
€75
David Attenborough
1711 · Very good
€245
Alexander Wilson
1839 · Good
€85
Charles Darwin
1879 · Good
€65
Richard Thayer Holbrook
1919 · Very good
€70
Sir William Edward Parry
1828 · Very good
€260
Alexander Milton Ross
1888 · Very good
€50
Stephen Hales
1729 · Fair
€155
André Michaux
1811 · Fair
€140
John Ruskin
1895 · Very good
€145
José Mariano Moziño
1922 · Good
€20
Thomas Henry Huxley
1889 · Fair
€30
Otto von Kotzebue
1841 · Good
€180
Eduard Strasburger
1935 · Fine
€45
Alfonso X King of Castile and León
1904 · Very good
€65
Eduard Strasburger
1899 · Very good
€80
Adolf Engler
1917 · Good
€25
John Ruskin
1879 · Very good
€55
Philip Henry Gosse
1862 · Very good
€75
Sir John Richardson
1841 · Very good
€305
Jean Louis Rodolphe Agassiz
1870 · Very good
€70
Joseph Pitton de Tournefort
1719 · Fine
€425