Johann Gottfried Frantz
1874 · Very good · NL
€150
Charles Dudley Warner
1888 · Very good
€70
Leonard Anthony Springer
1915 · Fine · NL
€30
Willem Kloos
1902 · Very good · NL
€65
Neltje Blanchan
1906 · Very good
€70
Jan Frederik van Someren
1900 · Very good · NL
€60
Phillips Brooks
1895 · Very good
€75
Grant Allen
1884 · Very good
€45
Asa Gray
1871 · Very good
€120
Alexander von Humboldt
1876 · Very good
€150
Robert Jacobus Fruin
1928 · Fine · NL
€55
Robert Ellis, F.L.S.
1852 · Very good
€110
Jan Jacob Bruins
1935 · Very good · NL
€45
Arthur van Schendel
1935 · Very good · NL
€70
Arthur van Schendel
1921 · Fine · NL
€35
Heindel, Max, Max Heindel
1918 · Very good
€30
Frederick Moore Simpson
1908 · Very good
€35
Jean-Henri Fabre
1924 · Very good
€65
Henry van Dyke
1909 · Very good
€25
Ira Remsen
1888 · Very good
€120
Camille Flammarion
1887 · Fine
€80
Jan Valckenier Suringar
1935 · Very good · NL
€95
Marcellus Emants
1889 · Very good · NL
€165
W. Brennand
1903 · Very good
€70
Eduard Strasburger
1935 · Fine
€45
Wernher der Gartenaere
1917 · Fine
€65
Balfour Stewart
1875 · Very good
€120
John Burroughs
1886 · Very good
€200
Koninklijke Akademie van Wetenschappen (Netherlands). Afdeeling Natuurkunde
1886 · Very good · NL
€85
E. J. Potgieter
1886 · Very good · NL
€45
Dudley Allen Sargent
1917 · Very good
€30
Fredrika Bremer
1859 · Very good
€85
Matthew Calbraith Perry
1859 · Very good
€45
F. Matthias Alexander
1935 · Fine
€35
Robert Smythe Hichens
1919 · Very good
€55
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Erwin Madelung
1935 · Fine
€40
A. Kuyper
1931 · Very good · NL
€55
Florence Bass
1894 · Very good
€45
A. Pierson
1875 · Very good · NL
€140
Mathematical Association of America
1894 · Very good
€215
George Alexander Wilken
1914 · Very good · NL
€40
Alexander Smith
1870 · Very good
€110
Phillips Brooks
1911 · Very good
€25
Flint, Austin
1872 · Very good
€70
J. H. Poynting
1922 · Very good
€35
Sarah Frances Smiley
1878 · Fine
€155
Den, Tex, C.J.
1893 · Very good · NL
€210
Pieter Joseph Cruse
1911 · Fine · NL
€30
Elias Loomis
1902 · Fine
€55
Albert Verwey
1916 · Very good · NL
€55
Lodewijk van Deyssel
1923 · Very good · NL
€85
John Timbs
1871 · Very good
€70
M.E. Schlesinger
1919 · Very good
€70
Lewis Mumford
1935 · Very good
€25
Charles Kingsley
1890 · Very good
€110
J. H. Poynting
1916 · Very good
€45
Eduard Strasburger
1924 · Fine
€40
J. Haak
1928 · Very good · NL
€30
Sachs, Julius
1902 · Fine
€80