Johannes Nohl
1926 · Fair
€25
Llewelyn Powys
1932 · Very good
€55
Alain LeRoy Locke
1935 · Fair
€20
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
W. E. B. Du Bois
1935 · Good
€50
Booker T. Washington
1919 · Fine
€105
Ida B. Wells-Barnett, I. Garland Penn
1914 · Fair
€35
R. P. J. Tutein Nolthenius
1917 · Very good · NL
€120
W. E. B. Du Bois
1935 · Very good
€75
Phillips Brooks
1900 · Fair
€40
Joseph Conrad
1924 · Very good
€85
Eugène Pittard
1926 · Good
€20
Claude Phillips
1935 · Good
€30
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Booker T. Washington, Charles Waddell Chesnutt
1924 · Good
€50
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
Hartmann, Sadakichi
1929 · Good
€20
Nicolass Muller
1915 · Fine · NL
€35
Mazo de la Roche
1930 · Good
€20
G. Wisse
1908 · Very good · NL
€30
James Weldon Johnson, Various
1935 · Very good
€75
Theun de Vries
1935 · Good · NL
€20
Willem Kloos
1902 · Very good · NL
€65
Jan Jacob Bruins
1935 · Very good · NL
€45
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Richard C. Cabot
1908 · Good
€40
August Strindberg, Yael Farber
1917 · Very good
€40
Stewart Edward White
1935 · Good
€20
Clive Bell
1935 · Very good
€120
Barrett Harper Clark, Barrett H. Clark
1935 · Good
€45
Rabindranath Tagore
1917 · Very good
€35
Phillips Brooks
1911 · Very good
€25
Roger Eliot Fry
1931 · Very good
€30
Robert Tressell
1917 · Good
€30
J. P. Kleiweg de Zwaan
1911 · Fair · NL
€30
Annie Salomons
1935 · Good · NL
€20
Walter W. Skeat, Charles Otto Blagden
1924 · Good
€65
Wood, Robert Williams
1919 · Fine
€40
Frederik Carel Gerretson
1927 · Good · NL
€70
Ernest Thompson Seton
1905 · Good
€35
Klikspaan
1935 · Fair · NL
€35
Wissler, Clark
1934 · Very good
€25
William Cecil Dampier
1930 · Very good
€60
Willem Johannes Leyds
1926 · Good · NL
€75
Frank Hall Thorp
1906 · Good
€25
Ambrose Bierce
1913 · Fair
€45
Annie Salomons
1923 · Very good · NL
€25
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Pieter Joseph Cruse
1911 · Fine · NL
€30
Abraham Kuyper
1911 · Fine · NL
€30
Lewis Mumford
1935 · Very good
€25
Charles Kirk
1918 · Fair
€65