William Whewell
1848 · Fine
€145
William Kingdon Clifford
1914 · Fair
€35
Yogananda Paramahansa
1931 · Fine
€125
René Descartes
1655 · Fine
€1,820
Richard Helsham
1743 · Very good
€365
Nicholson, William
1818 · Very good
€185
Jacques Rohault
1674 · Fair
€520
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Denison Olmsted
1868 · Good
€60
Herbert Spencer
1882 · Very good
€105
John Dalton
1838 · Good
€85
Marcet Mrs
1828 · Good
€155
Immanuel Kant, Kant
1816 · Very good
€155
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Colin MacLaurin
1753 · Very good
€835
Auguste Comte
1801 · Very good
€250
Aristotle
1811 · Good
€125
Sir Isaac Newton
1727 · Very good
€475
Giambattista Vico
1737 · Very good
€1,090
Schwegler, Albert
1864 · Fine
€120
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
Max Scheler
1935 · Good
€20
Alexander Campbell Fraser
1901 · Good
€75
Thomas Stanley
1659 · Good
€830
Thomas Roderick Fraser, Andrew Dewar
1881 · Fair
€95
George Fownes
1848 · Very good
€200
Gottfried Wilhelm Leibniz
1721 · Good
€460
Plato
1562 · Fine
€1,785
Weber, Alfred
1909 · Good
€60
George Henry Lewes
1883 · Very good
€65
Leonhard Euler
1805 · Fair
€60
James Finley Weir Johnston
1855 · Very good
€225
Francis Bacon
1765 · Very good
€480
Pemberton, Henry
1754 · Good
€355
Wang, Chong
1812 · Good
€95
Abraham Tucker
1817 · Good
€135
Herbert Spencer
1867 · Good
€45
Nicolas Malebranche
1693 · Very good
€600
Auguste Comte
1867 · Fair
€50
Dugald Stewart
1815 · Very good
€95
Thomas Troward
1922 · Good
€30
Friedrich Schiller
1935 · Fair
€20
Friedrich Fröbel
1913 · Good
€20
Thomson, Thomas
1802 · Very good
€160
Josiah Royce
1903 · Very good
€65
Rudolf Otto
1929 · Fine
€35
René Descartes
1912 · Very good
€85
Aristotle
1603 · Fair
€435
Galileo Galilei
1664 · Very good
€2,345
Morris Raphael Cohen
1935 · Fine
€35
Bertrand Russell
1935 · Good
€85
Smellie, William
1793 · Fair
€360
Wilkins, John
1643 · Good
€485
John Cowper Powys
1933 · Very good
€50
Adam Smith
1798 · Very good
€500
Ralph Waldo Emerson
1851 · Very good
€130
Upton Sinclair
1927 · Very good
€75
Rabindranath Tagore
1935 · Good
€30
Clive Bell
1924 · Very good
€115
Aristotle
1561 · Very good
€915