Hermann Wätjen
1927 · Very good · NL
€50
E. L. Jackson
1935 · Very good
€45
George Burton Adams
1935 · Good
€45
G. Hartwig
1900 · Good
€25
Henry David Thoreau
1935 · Good
€30
Nathaniel Southgate Shaler
1915 · Fair
€30
Seymour Dunbar
1919 · Fair
€20
Peter Kropotkin
1906 · Good
€45
Antwerp Edgar Pratt
1910 · Good
€40
Hubert Howe Bancroft
1905 · Good
€25
Annie Salomons
1935 · Good · NL
€20
Verney Lovett Cameron, Daniel Oliver
1912 · Good
€25
Frank E. Beddard
1902 · Very good
€25
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Carolyn Sherwin Bailey
1918 · Fair
€30
Abraham Kuyper
1911 · Fine · NL
€30
Robert W. C. Shelford, Edward Bagnall Poulton
1919 · Very good
€40
Bertrand Russell
1916 · Fair
€45
Hendrik Blink
1921 · Very good · NL
€30
Richard Harding Davis
1908 · Very good
€35
Frederick Orpen Bower
1934 · Good
€50
Victor Ernest Shelford
1935 · Fair
€20
Hendrik Blink
1925 · Fair · NL
€20
Alfred Russel Wallace
1907 · Good
€45
H. Koffyberg
1924 · Fair · NL
€20
Edward Carpenter
1906 · Good
€25
Oswald Spengler, Charles Francis Atkinson
1918 · Good
€45
R. Bijlsma
1926 · Good · NL
€25
Wilmore, Albert.
1921 · Good
€35
Thomas Griffith Taylor
1922 · Very good
€50
Gontran de Poncins, Lewis Galantière
1933 · Fair
€40
Charles Fletcher Lummis
1902 · Very good
€25
F. W. van Wijk
1935 · Good · NL
€30
Arthur Henderson Smith
1935 · Fair
€40
Saxton T. Pope
1935 · Good
€40
J. Arthur Thomson
1909 · Fine
€45
E. J. Banfield
1922 · Very good
€30
Eugène Pittard
1926 · Good
€20
Edward Westermarck
1917 · Very good
€45
Arthur, comte de Gobineau
1911 · Fair
€30
Emanuel Hannak
1911 · Very good · NL
€25
George J. Engelmann
1927 · Fair
€35
Howell, Thomas
1909 · Very good
€30
Laurence Binyon
1909 · Fair
€20
Frederick Orpen Bower
1935 · Good
€35
Joseph Jacobs
1904 · Good
€25
Sir Francis Edward Younghusband
1909 · Fair
€15
Adolf Engler
1917 · Good
€25
Frederick Moore Simpson
1908 · Very good
€35
H. G. Wells
1929 · Very good
€25
D. Aitton
1920 · Good · NL
€30
Eduard Strasburger
1935 · Fine
€45
J. Frederick Kelly
1935 · Fair
€30
J. C. Stobart
1929 · Fair
€50
Francisco de Vitoria
1920 · Good
€20
Henry E. Roscoe
1906 · Good
€45
Roy Chapman Andrews
1926 · Good
€25
Thomas McIlwraith
1903 · Very good
€45
Hugo Claus
1917 · Fair · NL
€35
Lafcadio Hearn
1935 · Good
€20