Paul Eltzbacher
1922 · Very good
€50
Hermann Cäsar Hannibal Schubert
1927 · Good
€65
James Orchard Halliwell-Phillipps, William Bourne
1839 · Good
€95
P. Wijdenes
1932 · Very good · NL
€60
Heinrich Cornelius Agrippa von Nettesheim
1535 · Good
€915
Tobias Ballot Muller
1916 · Fair · NL
€25
Louis Couturat
1935 · Good
€70
F. S. Macaulay
1922 · Fine
€135
Emma Goldman
1919 · Fair
€35
Justus von Liebig
1850 · Good
€80
Adriaan Pit
1930 · Good · NL
€25
William Leybourn, Richard Sault
1696 · Good
€1,050
Alb C. Kruijt
1927 · Very good · NL
€25
Friedrich Engels
1905 · Fine
€80
Leonhard Euler
1763 · Fair
€140
A. Rosengarten
1897 · Fair
€35
H. A Derksen
1905 · Fair · NL
€55
Augustus De Morgan
1903 · Very good
€60
René Descartes
1912 · Very good
€85
Henry Adams
1926 · Good
€90
Arthur Schopenhauer
1912 · Good
€30
Friedrich Engels, Marx-Engels
1846 · Very good
€195
Jeremiah Day
1814 · Good
€140
Just Havelaar
1935 · Fair · NL
€30
Cesare Ripa
1648 · Good · NL
€1,190
Josiah Royce
1928 · Fine
€125
J. T. Crawford
1923 · Good
€25
Peter Kropotkin
1910 · Fine
€50
Лев Толстой
1904 · Good
€85
Walsh, Michael
1808 · Very good
€180
Peter Kropotkin
1886 · Very good
€60
Erwin Madelung
1935 · Fine
€40
Adriaan Spinniker
1758 · Good · NL
€200
Peter Kropotkin
1903 · Fair
€15
Auguste Comte
1867 · Fair
€50
Albertus Johannes Roijaards
1897 · Very good · NL
€80
Vreeswijk, Johannes Adrianus, jr.
1909 · Good · NL
€25
Ron Larson
1931 · Fair
€20
Abraham Roger
1935 · Good · NL
€40
Johann Gottlieb Fichte
1910 · Very good
€60
Friedrich Engels
1927 · Fair
€40
Brahmagupta, Henry Thomas Colebrooke
1835 · Good
€135
Eric Partridge
1923 · Very good
€90
Vladimir Il’ich Lenin, John Barber
1935 · Very good
€55
Elias Loomis
1874 · Very good
€50
Friedrich Fröbel
1913 · Good
€20
Friedrich Engels
1907 · Good
€50
George Boole
1882 · Fine
€65
Walter Crane
1911 · Very good · NL
€25
William Godwin
1811 · Very good
€170
Swieten, Gerard Freiherr van
1744 · Good
€230
Caleb Bingham
1806 · Fine
€180
Adriaan Spinniker
1806 · Good · NL
€95
Eugen Horn
1900 · Good · NL
€50
Jan Luiken
1724 · Good · NL
€410
Edward Carpenter
1919 · Good
€55
Thorstein Veblen
1921 · Good
€40
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Thomas Rickman, John Henry Parker
1855 · Very good
€115
Vega, Georg Freiherr von
1803 · Good
€190