T. W. Webb
1886 · Very good
€145
Michael Faraday
1874 · Fine
€65
Grant, Robert
1852 · Fine
€130
O. M. Mitchel
1892 · Very good
€55
Royal Astronomical Society
1879 · Very good
€80
Salisbury, Rollin D.
1909 · Fine
€65
Lewis Foreman Day
1910 · Very good
€25
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Alexander Lowy, Benjamin Harrow
1924 · Fine
€120
José Ortega y Gasset
1931 · Very good
€60
Hermann Weyl
1921 · Very good
€80
Moynihan, Berkeley Moynihan Baron
1907 · Very good
€50
Robert Ridgway
1887 · Very good
€85
Charles Wilkes
1851 · Very good
€190
Gaylord Johnson
1935 · Very good
€60
Charles Riborg Mann
1916 · Very good
€35
Abraham Kuyper
1911 · Fine · NL
€30
Marcellus Emants
1900 · Very good · NL
€25
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Leander Sylvester Keyser
1907 · Fine
€70
Abraham Kuyper
1869 · Very good · NL
€165
Edwin A. Burtt
1926 · Very good
€25
A. Wilmer Duff
1916 · Very good
€65
J. Greig Smith
1900 · Fine
€120
Jules Michelet
1869 · Very good
€140
Robert W. Chambers
1925 · Fine
€45
Grenville Kleiser
1911 · Very good
€65
Augustine of Hippo
1857 · Very good
€75
Augustin Privat-Deschanel
1903 · Very good
€40
Rudolf Steiner, Max Gysi
1910 · Very good
€25
M. Th Houtsma
1887 · Very good · NL
€90
Charles M. Skinner
1900 · Very good
€110
Frank E. Beddard
1902 · Very good
€25
Howell, Thomas
1909 · Very good
€30
P. Wijdenes
1932 · Very good · NL
€60
Josiah Parsons Cooke Jr.
1882 · Very good
€120
Martin, Martha Evans, Donald Howard Menzel
1918 · Very good
€25
Francis Parkman
1875 · Very good
€95
Hitchcock, Edward
1860 · Very good
€100
Thomas Sterry Hunt
1876 · Very good
€60
H. Newell Martin
1903 · Fine
€40
John Burroughs
1871 · Fine
€55
William Morris
1874 · Very good
€230
Jules Verne
1888 · Very good
€50
Sonia Delaunay
1931 · Fine
€60
Walter Crane
1911 · Very good · NL
€25
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
Sanborn Tenney
1881 · Very good
€70
Brooks Adams
1897 · Fine
€190
I. F. Henderson
1926 · Very good
€40
J. W. Tyrrell
1926 · Fine
€125
Clive Bell
1935 · Very good
€120
Charles Darwin
1884 · Very good
€100
Josiah Royce
1902 · Very good
€30
Tjeerd Oeds Hylkema
1935 · Very good · NL
€50
H. Newell Martin
1908 · Very good
€35
Jacob Abbott
1850 · Very good
€135
K. F. Holle
1877 · Very good · NL
€95
James Jackson Jarves
1879 · Fine
€210
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40