Morris Raphael Cohen
1935 · Fine
€35
George Boole
1882 · Fine
€65
Lewis Carroll
1918 · Very good
€80
Lewis Carroll
1886 · Fine
€250
Lewis Carroll
1914 · Very good
€25
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
René Descartes
1912 · Very good
€85
C. Bruhns
1920 · Very good
€55
Aristotle
1579 · Fine
€1,405
Elias Loomis
1874 · Very good
€50
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
E. R. Hedrick
1920 · Very good
€60
Josiah Royce
1898 · Very good
€75
Walter Marshall
1692 · Fine
€725
H. G. Wells
1911 · Very good
€40
Christian Wolff
1745 · Very good · NL
€300
Joseph Butler
1752 · Very good
€275
Josiah Royce
1935 · Very good
€30
Thomas Simpson
1751 · Very good
€660
Michael Faraday
1874 · Fine
€65
Yogananda Paramahansa
1931 · Fine
€125
A. S. Neill
1935 · Very good
€45
Nicolas Malebranche
1693 · Very good
€600
Rudolf Steiner, Robert A. McDermott
1933 · Very good
€85
Galileo Galilei
1664 · Very good
€2,345
Josiah Royce
1912 · Very good
€95
Neale Donald Walsch
1924 · Very good
€25
Joseph Butler, B. F. Tefft
1789 · Very good
€630
Charles Hutton
1812 · Very good
€245
Globe Fearon
1821 · Very good
€250
Galileo Galilei
1644 · Very good
€2,340
Rabindranath Tagore
1917 · Very good
€35
Walker, Robert
1779 · Very good
€360
Walter Rauschenbusch
1929 · Very good
€35
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
Dugald Stewart
1815 · Very good
€95
Joseph Le Conte
1928 · Very good
€30
Herbert E. Cobb
1935 · Very good
€30
John Wesley
1796 · Very good
€575
Robert William Dale
1895 · Very good
€215
William Allen Whitworth
1870 · Very good
€55
Nathaniel Lloyd
1935 · Fine
€65
Florian Cajori
1907 · Very good
€45
Josiah Royce
1928 · Fine
€125
Logan, John Alexander, John Alexander Logan
1919 · Very good
€25
William Cooper
1740 · Very good
€345
Denison Olmsted
1880 · Very good
€135
Seneca the Younger
1634 · Very good
€1,210
Richard Helsham
1743 · Very good
€365
F. Matthias Alexander
1935 · Fine
€35
Roger Eliot Fry
1931 · Very good
€30
Josiah Royce
1903 · Very good
€65
James Bissett Pratt
1935 · Very good
€70
Karl Pearson
1924 · Very good
€75
Nicholson, William
1818 · Very good
€185
William Wollaston, William Wollaston
1754 · Fine
€325
Thomas Reid
1765 · Very good
€640
Brooks Adams
1897 · Fine
€190
Alfred North Whitehead, Yoshimi Fujikawa
1695 · Very good
€915
John Bunyan
1688 · Very good
€805