Silvanus Phillips Thompson
1935 · Very good
€35
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
Anselm of Canterbury, Anselm
1928 · Fair
€35
R. Fletcher
1922 · Good
€20
John Cowper Powys
1933 · Very good
€50
Percival Lowell
1907 · Very good
€25
Thomas Henry Huxley
1889 · Fair
€30
Morris Raphael Cohen
1935 · Fine
€35
Ernst Christian Achelis
1902 · Good · NL
€20
Three Initiates
1928 · Good
€20
Claude Irwin Palmer
1912 · Good
€20
Carl Gustav Jung
1915 · Very good
€25
G. N. Watson
1935 · Good
€20
Martin Klopstock
1911 · Good
€35
William Kingdon Clifford
1914 · Fair
€35
Friedrich Fröbel
1913 · Good
€20
Thomas Troward
1922 · Good
€30
Plato
1917 · Good
€30
John Ruskin
1875 · Very good
€45
Charles Fort
1933 · Fair
€35
Carl Gustav Jung
1925 · Very good
€30
Edward Carpenter
1898 · Good
€45
Gerrard Hickson
1922 · Very good
€35
James Oliver Curwood
1933 · Good
€20
John of the Cross
1914 · Fair
€20
Samuel Hubbard Scudder
1904 · Fair
€25
Werner Spalteholz
1926 · Good
€50
Petrus Johannes Blok
1914 · Good · NL
€40
Armando Palacio Valdés, Guy Everett Snavely
1919 · Good
€20
Herbert Spencer
1867 · Good
€45
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15
Georg Wilhelm Friedrich Hegel
1910 · Very good
€35
Charles Kingsley
1884 · Good
€40
Adolf Engler
1917 · Good
€25
Louis Couperus
1906 · Very good · NL
€50
P. L. Verhulst
1935 · Fair · NL
€15
Leonardo da Vinci
1935 · Very good
€35
Freda Dinn
1903 · Very good
€35
Willem Pieter Cornelis Knuttel
1889 · Fair · NL
€40
Carl Gobée
1861 · Very good · NL
€45
James M. Macoun
1898 · Fair
€30
A. S. Neill
1935 · Very good
€45
Śāntideva
1935 · Fair
€40
H. Stanley Redgrove
1935 · Fair
€15
J. H. Van Zanten
1928 · Good · NL
€35
Friedrich Schiller
1935 · Fair
€20
Louis Couperus
1904 · Very good · NL
€25
Rabindranath Tagore
1935 · Good
€30
Herbert French
1914 · Good
€20
Max Scheler
1935 · Good
€20
Alpheus S. Packard
1904 · Good
€25
Miguel de Unamuno
1935 · Good
€25
J. van Lennep
1918 · Good · NL
€35
Jan Casper Schreuder
1930 · Good · NL
€45
Nathaniel Southgate Shaler
1915 · Fair
€30
Anthony Rich
1899 · Fair
€30
Margery Williams Bianco
1935 · Good
€20
John M. Scudder
1887 · Fair
€30
Sigmund Freud
1906 · Good
€25
Arnold Henry Guyot
1850 · Fair
€35