George Washington Williams
1888 · Very good
€55
Johannes Nohl
1926 · Fair
€25
Llewelyn Powys
1932 · Very good
€55
Alain LeRoy Locke
1935 · Fair
€20
Edward Austin Johnson
1894 · Good
€50
Carter Godwin Woodson
1934 · Very good
€40
Margaret Trowell
1925 · Very good
€30
W. E. B. Du Bois
1935 · Very good
€30
Black, Newton Henry
1933 · Fair
€15
Martin Robison Delany
1865 · Good
€40
Charles Colcock Jones
1892 · Very good
€50
W. E. B. Du Bois
1935 · Good
€50
Booker T. Washington
1919 · Fine
€105
Ida B. Wells-Barnett, I. Garland Penn
1914 · Fair
€35
John Ruskin
1855 · Good
€140
Eldridge Cleaver, E. Cleaver
1898 · Fine
€325
R. P. J. Tutein Nolthenius
1917 · Very good · NL
€120
Thomas Wentworth Higginson
1897 · Fair
€40
Anthony Benezet, Anthony Benezet
1774 · Good
€650
William L. Shirer
1774 · Good
€830
D. R. Hay
1874 · Very good
€70
Charles Ball
1863 · Fine
€105
W. E. B. Du Bois
1935 · Very good
€75
J. F. Blacker
1813 · Fine
€475
Alfred Russel Wallace
1864 · Fair
€35
Phillips Brooks
1900 · Fair
€40
Charles Lanman
1862 · Fine
€110
Robert Michael Ballantyne
1806 · Very good
€160
Joseph Conrad
1924 · Very good
€85
Eugène Pittard
1926 · Good
€20
Claude Phillips
1935 · Good
€30
Charles Hamilton Smith
1850 · Very good
€60
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Booker T. Washington, Charles Waddell Chesnutt
1924 · Good
€50
Jacob Cats
1678 · Fair · NL
€360
Helen Bannerman
1913 · Very good
€35
Leander Sylvester Keyser
1907 · Fine
€70
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
Charles John Holmes
1935 · Very good
€35
Neltje Blanchan
1935 · Fair
€65
Kate E. R. Pickard
1866 · Fine
€70
Isaac Watts
1719 · Fair
€185
Hartmann, Sadakichi
1929 · Good
€20
Vincent L. Milner
1867 · Fair
€30
Nicolass Muller
1915 · Fine · NL
€35
Maatschappij der Nederlandse Letterkunde te Leiden
1811 · Fine · NL
€180
Mazo de la Roche
1930 · Good
€20
Anna Sewell
1888 · Very good
€80
G. Wisse
1908 · Very good · NL
€30
Thomas Rickman, John Henry Parker
1855 · Very good
€115
James Weldon Johnson, Various
1935 · Very good
€75
Theun de Vries
1935 · Good · NL
€20
C. A. Johns
1867 · Good
€105
Marion Lowell
1897 · Good
€55
Nicolas Malebranche
1693 · Very good
€600
Willem Kloos
1902 · Very good · NL
€65
Edwin Checkley
1890 · Good
€50
Jan Jacob Bruins
1935 · Very good · NL
€45
Wouter Hendrik Van Seters
1935 · Good · NL
€50