Karl Pearson
1934 · Fine
€30
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
Michael Faraday
1874 · Fine
€65
Arthur B. Curtis
1929 · Fine
€60
Alexander Tweedie, System
1841 · Fine
€160
F. Matthias Alexander
1935 · Fine
€35
George Fownes
1873 · Fine
€60
John Galsworthy
1935 · Fine
€105
Plato
1835 · Fine
€145
Plato
1562 · Fine
€1,785
Carl David Tolmé Runge
1916 · Fine
€50
René Descartes
1655 · Fine
€1,820
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Charles Lanman
1862 · Fine
€110
F. S. Macaulay
1922 · Fine
€135
Maurice S. Baldwin
1882 · Fine
€140
TETRIS
1748 · Fine
€1,000
Henry Paul Talbot
1932 · Fine
€55
Calvin Cutter
1849 · Fine
€420
Charles Darwin
1909 · Fine
€90
Aristotle
1579 · Fine
€1,405
Salisbury, Rollin D.
1909 · Fine
€65