Friedrich Fröbel
1913 · Good
€20
Dirk Rafaelszoon Camphuysen
1666 · Good · NL
€450
John Lederer
1724 · Very good
€315
Jacob van Lennep
1906 · Very good · NL
€70
Joseph Conrad
1924 · Very good
€85
John Merle Coulter
1912 · Good
€55
Mabel Osgood Wright
1903 · Good
€40
J. F. Blacker
1813 · Fine
€475
Ludvig Holberg
1776 · Good
€190
Eduard Johan Pieter Jorissen
1899 · Very good · NL
€125
Alexander Ziegler
1874 · Very good · NL
€165
Francis Lieber
1854 · Good
€45
Robert Smythe Hichens
1919 · Very good
€55
Ferdinand Wolff
1859 · Good · NL
€40
Harm Bouwman
1916 · Very good · NL
€30
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Wilkins, John
1643 · Good
€485
Plato
1732 · Good
€225
Seymour Dunbar
1919 · Fair
€20
Arthur Wesley Dow
1935 · Good
€25
William Withering
1801 · Very good
€195
Gerardus Marinus Franciscus Snijders
1905 · Very good · NL
€35
Michael Faraday
1874 · Fine
€65
Freda Dinn
1903 · Very good
€35
Susan Warner
1893 · Good
€170
A. Pierson
1875 · Very good · NL
€140
Stijn Streuvels
1912 · Fair · NL
€15
Stijn Streuvels
1912 · Good · NL
€65
Ron Larson, Roland E. Larson
1920 · Fair
€55
Bronger van Halteren
1911 · Good · NL
€65
Nikolaĭ Vasilʹevich Gogolʹ
1898 · Good
€40
Patrick Geddes
1903 · Good
€70
Maurice S. Baldwin
1882 · Fine
€140
Heraclitus of Ephesus
1918 · Good
€20
Jöns Jacob Berzelius
1834 · Good
€90
Jan Arnold Bennet
1852 · Very good · NL
€225
Jeanne Wakatsuki Houston, James D. Houston
1786 · Very good
€660
Ralph Waldo Trine
1904 · Good
€20
Garrett Putman Serviss
1907 · Fair
€30
William Thomas Brande
1820 · Fine
€190
René Vallery-Radot
1917 · Good
€35
Ira Remsen
1888 · Very good
€120
Stephen Walter Ranson
1927 · Fair
€40
Elizabeth Prentiss
1863 · Good
€105
Henry E. Roscoe, Carl Schorlemmer
1886 · Fine
€60
William Pain
1773 · Good
€195
George Gissing
1900 · Very good
€85
Paul Drude
1919 · Fine
€160
Gabriele D'Annunzio
1898 · Very good
€70
Jan Valckenier Suringar
1935 · Very good · NL
€95
Auguste Renoir
1920 · Fine
€45
Erwin Madelung
1935 · Fine
€40
Immanuel Kant
1802 · Fair
€55
Marion Lowell
1897 · Good
€55
Josiah Parsons Cooke Jr.
1882 · Very good
€120
Turner, Edward
1847 · Good
€105
J. P. Heije
1917 · Fair · NL
€35
John Joly
1932 · Very good
€75
John Wesley
1796 · Very good
€575
Emil Villiger
1914 · Good
€45