Sophus Lie
1907 · Very good
€30
Samuel Hopkins Adams, Samuel Adams
1915 · Good
€40
Johannes Sobotta
1935 · Very good
€35
John Dewey
1910 · Fine
€30
Algernon Graves
1920 · Good
€40
Percy Dearmer
1929 · Good
€25
Charles Darwin
1894 · Good
€45
Franz Marius Theodor Böhl
1930 · Good · NL
€25
Theodor Kocher
1921 · Good
€35
Okakura Kakuzō
1913 · Fair
€20
United States. Bureau of Animal Industry
1914 · Fair
€40
James Fergusson
1892 · Good
€45
Thomas Henry Huxley
1889 · Fair
€30
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
John Ruskin
1914 · Good
€40
Ernest Shurtleff Holmes
1935 · Fair
€15
Alfred Swaine Taylor
1869 · Good
€40
Jeremiah Curtin
1935 · Good
€50
Joseph Pennell
1915 · Very good
€50
Samuel Pierpont Langley
1889 · Good
€45
Reuben Archer Torrey
1908 · Good
€45
Theodore Parker
1884 · Good
€45
Gerrit van de Linde
1909 · Fair · NL
€20
Shedlock, Marie L.
1929 · Fair
€50
Arthur W. Dow, Joseph Masheck
1918 · Very good
€45
Charles Benedict Davenport
1935 · Fair
€45
John Ruskin
1906 · Good
€40
Edward Carpenter
1894 · Good
€50
Bumpus, T. Francis
1906 · Fair
€45
Sigmund Freud
1906 · Good
€25
Ānandavardhana
1904 · Fair
€15
Mahaffy, John Pentland Sir
1918 · Good
€50
Peter Kropotkin
1906 · Good
€45
George Ade
1917 · Good
€45
John Tyndall
1904 · Fair
€20
Aladdin Company
1918 · Good
€20
E. J. Potgieter
1886 · Very good · NL
€45
Calvin Cutter
1858 · Fair
€30
Clemens Brentano
1894 · Very good
€45
Heinrich Wölfflin
1920 · Good
€40
Friedrich Engels
1927 · Fair
€40
Honoré Daumier
1906 · Good
€50
Simon Newcomb
1910 · Good
€20
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Craandijk, J.
1902 · Fair · NL
€15
Peter Kropotkin
1915 · Fair
€15
Burnett Hillman Streeter, R. Brook
1919 · Fair
€15
Clara Erskine Clement Waters
1879 · Good
€50
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Metropolitan Museum of Art (New York, N.Y.)
1924 · Good
€30
Jens Peter Jacobsen
1892 · Good
€45
Johannes Christiaan Kromsigt
1933 · Fair · NL
€20
John Ruskin
1907 · Good
€25
Andrew Lang
1930 · Very good
€25
Auguste Renoir
1920 · Fine
€45
Rabindranath Tagore
1935 · Good
€30
John Ruskin
1875 · Very good
€45
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Klikspaan
1935 · Fair · NL
€35
Joseph Maclise
1869 · Good
€35