Alexander Tweedie, System
1841 · Fine
€160
Jørgen Peter Müller
1902 · Fine
€155
Carl Linnaeus
1784 · Very good
€405
Friedrich Christian Accum
1816 · Good
€110
Margaret Bryan
1800 · Good
€210
Antonius Gerardus van Onsenoort
1832 · Very good · NL
€120
Carl Linnaeus
1751 · Good
€495
Walsh, Michael
1808 · Very good
€180
Auguste Comte
1930 · Good
€30
Martin Klopstock
1911 · Good
€35
Jacob Haafner
1851 · Very good · NL
€85
Friedrich Fröbel
1913 · Good
€20
Adolf Engler
1917 · Good
€25
Carl Gobée
1861 · Very good · NL
€45
Lewis Foreman Day
1920 · Fine
€70
Sir James Edward Smith
1811 · Good
€275
Max Scheler
1935 · Good
€20
Thomas Simpson
1751 · Very good
€660
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15
Roger Eliot Fry
1931 · Very good
€30
Garrett Putman Serviss
1935 · Good
€95
Yogananda Paramahansa
1931 · Fine
€125
Upton Sinclair
1927 · Very good
€75
G. Wisse
1908 · Very good · NL
€30
Alfred Daniell
1888 · Good
€70
Henry Watts
1893 · Good
€35
Immanuel Kant
1802 · Fair
€55
Plato
1917 · Good
€30
Plato
1889 · Good
€60
J. Reynolds Green
1916 · Fair
€20
John Hamilton Moore
1799 · Fine
€740
Santiago Ramón y Cajal, Larry W. Swanson
1894 · Fair
€80
F. Pijper
1923 · Very good · NL
€75
John Joseph Griffin
1832 · Good
€225
Claas Hendriksz Gietermaker
1761 · Fine · NL
€315
Cornelis van den Enden
1833 · Very good · NL
€155
S. A. D. Tissot
1790 · Fair
€160
Lafcadio Hearn
1935 · Good
€20
R. Fletcher
1922 · Good
€20
John Eberle
1840 · Good
€100
Isaac Watts
1772 · Fair
€205
Iamblichus, L. Deubner
1746 · Good
€250
Sturm, Christoph Christian
1815 · Very good
€95
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
David van Gesscher
1809 · Very good · NL
€100
Eugène-Emmanuel Viollet-le-Duc, Benjamin Bucknall
1874 · Fair
€55
Abraham Kuyper
1935 · Very good · NL
€50
A. J. Downing
1867 · Fair
€75
W. Simon
1912 · Good
€70
William Kingdon Clifford
1914 · Fair
€35
Anton Willem Nieuwenhuis
1909 · Very good · NL
€75
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Jan van Leeuwen
1924 · Very good · NL
€30
Marcet Mrs
1815 · Good
€235
Ralph Waldo Emerson
1893 · Fair
€90
Robert Thomas
1819 · Very good
€180
Francis Sutton
1896 · Very good
€115
George Boole
1882 · Fine
€65
Jacob van Lennep, Johannes Bosscha
1926 · Very good · NL
€90
Oliver Byrne
1877 · Fine
€75