John Willis Clark
1918 · Fine
€50
Edgar Rice Burroughs
1920 · Very good
€25
George Lewis Prentiss
1875 · Very good
€60
G. J. Filet
1872 · Fine · NL
€95
Edgar Rice Burroughs
1935 · Very good
€70
Karl Pearson
1924 · Very good
€75
Helen Keller, Amy Jolin
1919 · Fine
€50
Gene Stratton-Porter
1916 · Fine
€85
Alfred Lord Tennyson
1863 · Very good
€110
Henry James
1917 · Fine
€75
Jean-Jacques Rousseau
1927 · Fine
€30
Mark Twain
1909 · Fine
€85
G. Angeletti, Alf Bjorseth
1900 · Very good
€60
George Catlin, Peter Matthiessen
1875 · Very good
€90
Guus Extra, Roeland van Hout
1917 · Very good · NL
€65
Alain-Fournier
1925 · Very good
€100
Zane Grey
1921 · Very good
€40
Carl Schurz
1917 · Fine
€120