Wood, Robert Williams
1919 · Fine
€40
John Tyndall
1904 · Fair
€20
Michael Gaft
1935 · Fine
€100
Richard A. Proctor
1918 · Good
€50
Lewis Mumford
1935 · Very good
€25
Simon Newcomb
1910 · Good
€20
Ernst Mach
1926 · Fair
€65
René Vallery-Radot
1903 · Very good
€35
Charles John Holmes
1935 · Very good
€35
Samuel Schmucker Sadtler
1935 · Very good
€45
Simon Newcomb
1903 · Good
€45
Thomas Henry Huxley
1904 · Good
€35
John Henry Comstock, Vernon L. Kellogg
1935 · Good
€105
Watson, William
1929 · Fair
€50
R. G. Collingwood
1929 · Good
€35
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Alexander Moszkowski
1935 · Fair
€15
William C. McC Lewis
1935 · Good
€30
Theun de Vries
1935 · Good · NL
€20
Black, Newton Henry
1933 · Fair
€15
Elias Loomis
1902 · Fine
€55
University of Chicago.
1904 · Good
€30
Harold Hilton
1914 · Good
€65
Francis Henry Williams
1910 · Fair
€50
John A. Suchocki
1924 · Good
€25
René Vallery-Radot
1917 · Good
€35
Charles Joseph Chamberlain
1910 · Good
€55
S. Weir Mitchell
1900 · Good
€25
Jacques Loeb
1918 · Good
€35
Steven S. Zumdahl
1907 · Very good
€25
Heindel, Max, Max Heindel
1918 · Very good
€30
Erwin Madelung
1935 · Fine
€40
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Joseph Pennell
1935 · Good
€25
Barton Cooke Hirst
1923 · Very good
€70
Marcellus Emants
1904 · Good · NL
€20
J. H. Poynting
1922 · Very good
€35
Steven S. Zumdahl
1915 · Good
€45
N. M. Kam
1909 · Fair · NL
€60
Willem Kloos
1902 · Very good · NL
€65
Carl David Tolmé Runge
1916 · Fine
€50
Werner Spalteholz
1905 · Good
€95
Simon Newcomb
1917 · Good
€20
Kimball, Arthur L.
1935 · Very good
€25
F. H. Loring
1923 · Very good
€120
Chemical Rubber Company
1934 · Very good
€55
Oscar Wilde
1904 · Very good
€30
L. A. Waterbury
1913 · Fine
€45
Charles Kirk
1918 · Fair
€65
Max Born
1935 · Good
€25
Henry Erni
1935 · Fair
€55
W. Brennand
1903 · Very good
€70
Arthur P. Norton, J. Gall Inglis
1935 · Good
€20
Henry E. Roscoe
1906 · Good
€45
Henry S. Carhart
1929 · Very good
€85
Smithsonian Institution
1935 · Fine
€45
Vereniging voor Nederlandse Muziekgeschiedenis. Bibliotheek
1934 · Good · NL
€30
Werner Spalteholz
1932 · Fair
€30
Lawrence Wolff
1929 · Very good
€35
Florian Cajori
1907 · Very good
€45