M.E. Schlesinger
1919 · Very good
€70
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
Grant Allen
1884 · Very good
€45
Robert Ellis, F.L.S.
1852 · Very good
€110
J. H. Poynting
1916 · Very good
€45
Aristotle
1561 · Very good
€915
John Joly
1932 · Very good
€75
Ira Remsen
1888 · Very good
€120
John Charles Van Dyke
1905 · Very good
€35
Alexander von Humboldt
1876 · Very good
€150
William Beebe
1935 · Fine
€115
Caleb Bingham
1806 · Fine
€180
Carlton C. Curtis
1907 · Fine
€50
Brooks Adams
1897 · Fine
€190
Babcock & Wilcox Company.
1921 · Fine
€65
J. H. Poynting
1922 · Very good
€35
Carl Linnaeus
1783 · Very good
€655
Carl Linnaeus
1779 · Very good
€245
William Cecil Dampier
1930 · Very good
€60
John Burroughs
1886 · Very good
€200
Koninklijke Akademie van Wetenschappen (Netherlands). Afdeeling Natuurkunde
1886 · Very good · NL
€85
Dionysius Lardner
1875 · Very good
€50
Sir Isaac Newton
1727 · Very good
€475
William Thomson Kelvin
1889 · Very good
€165
John Stuart Mill
1891 · Very good
€65
José Ortega y Gasset
1931 · Very good
€60
Jedidiah Morse
1802 · Very good
€130
Camille Flammarion
1887 · Fine
€80
Clive Bell
1935 · Very good
€120
J. Haak
1928 · Very good · NL
€30
Charles Dudley Warner
1888 · Very good
€70
David Attenborough
1711 · Very good
€245
Jacob Abbott
1862 · Very good
€115
Alfred Wegener
1906 · Very good
€55
Charles Darwin
1909 · Fine
€90
Thomas Griffith Taylor
1922 · Very good
€50
Clarence E. Edwords
1893 · Very good
€100
John Campbell Shairp
1883 · Very good
€105
Albert Verwey
1916 · Very good · NL
€55
Carl Friedrich Gauss
1817 · Fine
€130
Salisbury, Rollin D.
1909 · Fine
€65
Sturm, Christoph Christian
1815 · Very good
€95
Neltje Blanchan
1906 · Very good
€70
Amédée Guillemin
1886 · Very good
€205
Jean André de Luc, Jean André Luc
1808 · Very good
€115
Goff, E. S.
1899 · Very good
€70
Walther Nernst
1908 · Very good
€30
Clemens Brentano
1894 · Very good
€45
John D. Godman
1827 · Fine
€125
A. Oliver
1795 · Fine
€480
Aristophanes
1619 · Fine
€1,275
George Campbell
1823 · Very good
€150
Carl David Tolmé Runge
1916 · Fine
€50
Frost, John
1850 · Fine
€105
Christian Wolff
1745 · Very good · NL
€300
Marston Bates
1628 · Very good
€645
James Finley Weir Johnston
1855 · Very good
€225
Carl Linnaeus
1784 · Very good
€405
John Ray
1709 · Very good
€280
Howell, Thomas
1909 · Very good
€30