Edgar Rice Burroughs
1935 · Good
€45
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Nathan Altshiller-Court
1926 · Fair
€35
Lewis Mumford
1935 · Very good
€25
Marie Corelli
1917 · Very good
€30
Rabindranath Tagore
1917 · Very good
€35
Wouter Hendrik Van Seters
1935 · Good · NL
€50
J. H. Poynting
1922 · Very good
€35
Wilmore, Albert.
1921 · Good
€35
H. Newell Martin
1903 · Fine
€40
Benedetto Croce
1912 · Very good
€25
Peter Kropotkin
1925 · Very good
€35
Hutchison, Robert Sir, H. Stansfield Collier
1929 · Fair
€20
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Søren Kierkegaard
1884 · Good
€50
Richard A. Proctor
1918 · Good
€50
B. P. Ponsioen
1935 · Very good · NL
€30
Garrett Putman Serviss
1909 · Good
€45
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Egerton R. Young
1913 · Fair
€20
H. Newell Martin
1908 · Very good
€35
J. H. Poynting
1916 · Very good
€45
Theodor Kocher
1921 · Good
€35
Stone, Witmer
1905 · Fair
€20
Dirk Hudig
1908 · Very good · NL
€25
Erwin Madelung
1935 · Fine
€40
Edward Carpenter
1906 · Good
€25
Santiago Ramón y Cajal
1912 · Good
€25
Frederick Moore Simpson
1908 · Very good
€35
Jean Marie Antoine Gevers Leuven
1904 · Good · NL
€20
A. G. Honig
1921 · Very good · NL
€45
Emil Villiger
1914 · Good
€45
George Edward Moore
1922 · Good
€50
Carl Crow
1919 · Good
€20
Friedrich Nietzsche
1915 · Fair
€25
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Louis Couperus
1907 · Good · NL
€20
John Cowper Powys
1933 · Very good
€50
William Henry Bragg
1925 · Fair
€20
Stewart Edward White
1935 · Good
€20
Louis Couperus
1904 · Good · NL
€30
Edwin A. Burtt
1927 · Good
€40
E. J. Potgieter
1886 · Very good · NL
€45
Judah M. Eisenberg, Walter Greiner
1904 · Good
€40
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
John Leslie
1861 · Fair
€50
Dudley Allen Sargent
1917 · Very good
€30
Steven S. Zumdahl
1907 · Very good
€25
Denison Olmsted
1857 · Fair
€40
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Sir Robert Stawell Ball
1920 · Fair
€15
John William Norie
1886 · Good
€50
Digby Collins
1878 · Good
€45
Paul Louis Mulder
1909 · Good · NL
€45
Arabella B. Buckley
1887 · Good
€45
Morris Raphael Cohen
1935 · Fine
€35
Peter Kropotkin
1903 · Fair
€15
Carel Scharten
1918 · Good · NL
€40
Charles Joseph Singer
1932 · Good
€25
John Eric Erichsen
1908 · Good
€25