Charles Hutton
1812 · Very good
€245
Silvanus Phillips Thompson
1935 · Very good
€35
George Boole
1882 · Fine
€65
Thomas Simpson
1751 · Very good
€660
Walter E. Thirring
1906 · Fine
€40
George Johnston Allman
1879 · Fine
€130
René Descartes
1912 · Very good
€85
Oliver Byrne
1877 · Fine
€75
Walsh, Michael
1808 · Very good
€180
Colin MacLaurin
1753 · Very good
€835
René Descartes
1655 · Fine
€1,820
Auguste Comte
1801 · Very good
€250
Immanuel Kant, Alain Renaut
1807 · Very good
€330
William Houston Greene
1884 · Very good
€80
Percival Lowell
1907 · Very good
€25
Yogananda Paramahansa
1931 · Fine
€125
Immanuel Kant, Kant
1816 · Very good
€155
Constantin-François Volney
1796 · Fine
€355
John William Draper
1847 · Fine
€180
Morris Raphael Cohen
1935 · Fine
€35
Edwin Emery Slosson
1935 · Very good
€40
Jørgen Peter Müller
1902 · Fine
€155
Caleb Bingham
1806 · Fine
€180
Joseph Louis Lagrange, A. Boissonnade
1793 · Very good
€505
Antoine Laurent Lavoisier
1812 · Fine
€315
Roger Eliot Fry
1931 · Very good
€30
Jane Haldimand Marcet
1809 · Fine
€255
A. S. Neill
1935 · Very good
€45
Krogh, August
1935 · Very good
€85
Erasmus Darwin
1808 · Fine
€280
John Joly
1932 · Very good
€75
Elias Loomis
1883 · Very good
€120
Robert Thomas
1819 · Very good
€180
Justus von Liebig
1842 · Very good
€135
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
Carlton C. Curtis
1907 · Fine
€50
Henry E. Roscoe, Carl Schorlemmer
1886 · Fine
€60
Thomas Bell
1837 · Very good
€185
Gerrard Hickson
1922 · Very good
€35
Alexander Jamieson
1853 · Very good
€45
George Fownes
1848 · Very good
€200
Jedidiah Morse
1802 · Very good
€130
Henry Gray F.R.S., Henry Vandyke Carter
1868 · Very good
€140
Ralph W. G. Wyckoff
1935 · Very good
€30
James Finley Weir Johnston
1855 · Very good
€225
James Ferguson
1765 · Very good
€805
Frederick Soddy
1935 · Fine
€30
Robert Hooper M.D.
1822 · Very good
€370
John Wesley
1796 · Very good
€575
Herbert B. Mason
1910 · Very good
€35
Upton Sinclair
1927 · Very good
€75
Carl Gobée
1861 · Very good · NL
€45
Rudolf Otto
1929 · Fine
€35
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
Hegeler Institute
1924 · Fine
€100
Stephan Körner
1799 · Very good
€280
William Shakespeare
1898 · Very good
€65
Freda Dinn
1903 · Very good
€35
Adam Smith
1798 · Very good
€500
Schwegler, Albert
1864 · Fine
€120