Brahmagupta, Henry Thomas Colebrooke
1835 · Good
€135
René Descartes
1655 · Fine
€1,820
James Orchard Halliwell-Phillipps, William Bourne
1839 · Good
€95
Charles Hutton
1812 · Very good
€245
Bertrand Russell
1935 · Good
€85
Felix O'Gallagher
1786 · Good
€265
Walsh, Michael
1808 · Very good
€180
Alfred Daniell
1888 · Good
€70
William Kingdon Clifford
1914 · Fair
€35
Herbert Spencer
1867 · Good
€45
George Boole
1882 · Fine
€65
Aristotle
1901 · Good
€70
A. S. Neill
1935 · Very good
€45
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Thomas Simpson
1751 · Very good
€660
R. Fletcher
1922 · Good
€20
Sir J. J. Thomson
1907 · Good
€25
Silvanus Phillips Thompson
1935 · Very good
€35
G. N. Watson
1935 · Good
€20
Denison Olmsted
1868 · Good
€60
Weber, Alfred
1909 · Good
€60
James Finley Weir Johnston
1855 · Very good
€225
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
Schwegler, Albert
1864 · Fine
€120
Robert Flint
1932 · Very good
€40
Auguste Comte
1801 · Very good
€250
Antoine Laurent Lavoisier
1812 · Fine
€315
Turner, Edward
1847 · Good
€105
Frederick Soddy
1935 · Fine
€30
Constantin-François Volney
1796 · Fine
€355
René Descartes
1912 · Very good
€85
Herbert Spencer
1882 · Very good
€105
Colin MacLaurin
1753 · Very good
€835
Walter E. Thirring
1906 · Fine
€40
Madhava
1890 · Good
€110
Morris Raphael Cohen
1935 · Fine
€35
Adam Smith
1798 · Very good
€500
Three Initiates
1928 · Good
€20
Marcet Mrs
1828 · Good
€155
Auguste Comte
1930 · Good
€30
Clive Bell
1924 · Very good
€115
Immanuel Kant
1802 · Fair
€55
Plato
1864 · Good
€100
Seneca the Younger
1531 · Fair
€1,440
George Johnston Allman
1879 · Fine
€130
John Cowper Powys
1933 · Very good
€50
Adolf Engler
1917 · Good
€25
J. Reynolds Green
1916 · Fair
€20
Albert Einstein
1932 · Very good
€110
Patañjali.
1893 · Good
€55
Plato
1843 · Fair
€60
Auguste Comte
1867 · Fair
€50
Claude Irwin Palmer
1912 · Good
€20
John A. Van de Walle
1920 · Good
€35
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Margaret Bryan
1800 · Good
€210
James Orchard Halliwell-Phillipps
1873 · Very good
€90
Jedidiah Morse
1802 · Very good
€130
Friedrich Schiller
1935 · Fair
€20
W. Simon
1912 · Good
€70