Rubert W. Boyce
1920 · Very good
€25
F. Matthias Alexander
1935 · Fine
€35
Alpheus S. Packard
1904 · Good
€25
René Vallery-Radot
1903 · Very good
€35
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
W. G. Stimpson
1928 · Fair
€15
Mark F. Boyd
1926 · Very good
€25
American Ornithologists' Union.
1901 · Good
€25
Maurits Cornelis Cartier Dissel
1907 · Good · NL
€40
Martin Hiesemann
1924 · Good
€20
B. P. Ponsioen
1935 · Very good · NL
€30
Campbell, Douglas Houghton
1911 · Fair
€25
Charles Darwin
1894 · Good
€45
Robert Druitt
1884 · Good
€40
Rudolf Těsnohlídek
1923 · Very good
€35
Samuel Hopkins Adams, Samuel Adams
1915 · Good
€40
Luther E. Wyman
1927 · Fair
€40
Mabel Osgood Wright
1903 · Good
€40
Thomas Henry Huxley
1904 · Good
€35
Garrett Putman Serviss
1909 · Good
€45
Ph Spinhoven, T.K. Bouman
1908 · Very good · NL
€25
Martin Klopstock
1911 · Good
€35
Harriet Mann Miller
1891 · Fair
€35
W. Vrolik
1852 · Fair · NL
€40
Robert W. C. Shelford, Edward Bagnall Poulton
1919 · Very good
€40
British Ornithologists' Union
1907 · Fair
€45
Arthur Schopenhauer
1868 · Good
€40
Sarah Josepha Hale
1880 · Very good
€45
William A. Alcott
1887 · Fair
€40
George Bourne
1935 · Very good
€45
William Tyler Olcott
1935 · Fair
€15
Victor Ernest Shelford
1935 · Fair
€20
W. Hamilton Gibson
1914 · Fair
€15
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
W. Hamilton Gibson
1910 · Good
€20
George Fleming
1883 · Fair
€45
William Dean Howells
1900 · Good
€35
Archibald Rogers
1926 · Good
€25
Alexander Milton Ross
1888 · Very good
€50
Thomas McIlwraith
1903 · Very good
€45
Samuel Pierpont Langley
1889 · Good
€45
W. H. Hudson
1901 · Good
€25
Ernest Thompson Seton
1912 · Fair
€25
A.M.de Lange
1900 · Good · NL
€30
Richard C. Cabot
1908 · Good
€40
Freda Dinn
1903 · Very good
€35
José Mariano Moziño
1922 · Good
€20
Thompson, D'Arcy Wentworth
1931 · Fine
€35
M. Buys
1935 · Good · NL
€25
Edwin Checkley
1890 · Good
€50
Harriet Mann Miller
1895 · Good
€50
Inazo Nitobe, Stefano Daniel
1912 · Good
€40
John of the Cross
1914 · Fair
€20
Bradley M. Patten
1920 · Good
€30
John Harvey Kellogg
1907 · Good
€40
Albert Schweitzer
1926 · Very good
€30
Alexander Moszkowski
1935 · Fair
€15
J. Arthur Thomson
1909 · Fine
€45
Heindel, Max, Max Heindel
1918 · Very good
€30
Herman Heijermans
1932 · Good · NL
€25