Lewis Mumford
1935 · Very good
€25
T. Sundara Rao
1905 · Fair
€15
Felix Klein
1926 · Very good
€35
Asa Gray
1872 · Fair
€25
Gardner Dexter Hiscox
1921 · Good
€25
J. G. Leathem
1919 · Fair
€15
Norman Robert Campbell
1907 · Good
€30
F. Max Müller
1884 · Good
€40
Joseph Edmund Wright
1913 · Very good
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Nathan Altshiller-Court
1926 · Fair
€35
Benjamin Field, John C. Symons
1889 · Very good
€50
Herbert E. Cobb
1935 · Very good
€30
Mellor, Joseph William
1925 · Good
€35
Vreeswijk, Johannes Adrianus, jr.
1909 · Good · NL
€25
F. Max Müller
1905 · Very good
€30
Arthur Gordon Webster
1935 · Good
€20
Marcellus Emants
1904 · Good · NL
€20
Dionysius Lardner
1875 · Very good
€50
T. Takakura, Tadashi Takakura
1901 · Fair
€40
Paul Louis Mulder
1909 · Good · NL
€45
Joris-Karl Huysmans
1906 · Good
€25
Richard A. Proctor
1918 · Good
€50
Thomas Henry Huxley
1904 · Good
€35
Robert Tressell
1917 · Good
€30
Samuel Schmucker Sadtler
1935 · Very good
€45
Florian Cajori
1907 · Very good
€45
Erwin Madelung
1935 · Fine
€40
James Pryde
1897 · Good
€35
John Merle Coulter
1915 · Very good
€40
T. J. Bezemer
1903 · Good · NL
€25
Ron Larson
1931 · Fair
€20
Thompson, D'Arcy Wentworth
1931 · Fine
€35
John Ruskin
1854 · Fair
€30
Wood, Robert Williams
1919 · Fine
€40
William C. McC Lewis
1935 · Good
€30
E. T. Whittaker
1920 · Good
€25
Karl Pearson
1934 · Fine
€30
Carl David Tolmé Runge
1916 · Fine
€50
Emil Villiger
1914 · Good
€45
Frederick A. Ober
1883 · Fair
€30
Walter Kerr
1911 · Good
€20
Lawrence Wolff
1929 · Very good
€35
H. Was
1898 · Very good · NL
€50
Campbell, Douglas Houghton
1911 · Fair
€25
Елена Петровна Блаватская
1928 · Good
€40
E. T. Feteris
1912 · Fair · NL
€25
Franz Wilhelm Junghuhn, Frans Junghuhn
1851 · Fair · NL
€40
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Lewis Carroll
1914 · Very good
€25
L. A. Waterbury
1913 · Fine
€45
Eric Temple Bell
1920 · Good
€25
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Matthias Ehrgott
1912 · Very good
€50
John Tyndall
1904 · Fair
€20
William Hogarth
1918 · Fair
€40
Isaac Husik
1923 · Very good
€30
John Francis Campbell
1865 · Good
€50
Charles William Chadwick Oman, C.W.C.; C.W.C. Oman; John H. Beeler (Revised and Edited by); Edward W. Fox (Foreword by) Oman
1895 · Very good
€50
Foster Dee Snell, Cornelia T. Snell
1934 · Very good
€30