Henry David Thoreau
1908 · Very good
€50
Bayard Taylor
1878 · Good
€50
Harriet Martineau
1899 · Fine
€145
W. Houghton
1876 · Good
€70
Harriet Martineau
1858 · Good
€125
Stephen Hales
1729 · Fair
€155
Craandijk, J.
1902 · Fair · NL
€15
Maurice Henry Hewlett
1926 · Fine
€45
Cornelis Lekkerkerker
1935 · Fine · NL
€95
Mary Somerville
1863 · Good
€170
W. H. Hudson, W. H Hudson
1907 · Fine
€110
Carl Linnaeus
1783 · Very good
€655
Maatschappij der Nederlandse Letterkunde te Leiden
1811 · Fine · NL
€180
Johann Joachim Eschenburg
1844 · Good
€230
Neltje Blanchan
1935 · Fair
€65
Thomas Henry Huxley
1904 · Good
€35
Alfred North Whitehead
1930 · Fine
€40
William Hogarth
1766 · Fair
€130
Heindel, Max, Max Heindel
1918 · Very good
€30
D. H. Lawrence
1679 · Good
€470
John Ruskin
1906 · Good
€40
John Ruskin
1879 · Good
€100
Catherine Parr Traill
1874 · Fine
€160
Mabel Osgood Wright
1903 · Good
€40
Charles Kingsley
1873 · Good
€175
Jean Louis Rodolphe Agassiz
1888 · Good
€45
John Leslie
1861 · Fair
€50
Claude Phillips
1935 · Good
€30
John Ruskin
1924 · Fine
€105
Clara Erskine Clement Waters
1879 · Good
€50
Charles Waterton
1863 · Good
€40
Álvar Núñez Cabeza de Vaca, Martin A. Favata
1769 · Good
€210
Denham Jordan
1908 · Fair
€50
Stefan Zweig
1935 · Good
€35
Huntly Carter
1935 · Very good
€25
William Beebe
1935 · Fine
€115
Frank R. Stockton
1874 · Good
€130
Robert Michael Ballantyne
1876 · Very good
€50
George MacDonald
1894 · Fair
€85
Asa Gray
1872 · Fair
€25
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
Charles Holtzapffel
1804 · Good
€145
Rabindranath Tagore
1917 · Very good
€35
Charles Darwin
1894 · Good
€45
Scheffer, Johannes
1711 · Fair
€315
John Ruskin
1872 · Fine
€125
Verney Lovett Cameron, Daniel Oliver
1912 · Good
€25
Samuel Adams Drake
1884 · Good
€40
Henry Longueville Mansel
1873 · Good
€60
Lewis F. Allen
1858 · Very good
€195
Hamilton Wright Mabie
1901 · Fair
€35
J. F. Martinet
1796 · Very good
€750
Joseph B. Mayor
1886 · Very good
€70
Frederick Law Olmsted, Sr.
1861 · Fine
€90
Noël Antoine Pluche
1735 · Very good
€245
Henry Hodgman Saylor
1920 · Good
€50
Charles Kingsley
1916 · Good
€35
Julie Hoek
1930 · Very good · NL
€35
John L. Stoddard
1900 · Very good
€25
Salisbury, Rollin D.
1909 · Fine
€65