M. Büsgen
1897 · Good
€65
Ernest Thompson Seton
1899 · Good
€95
Jabez Hogg
1855 · Good
€70
William Borrer
1891 · Fine
€130
David Ames Wells, George Bliss
1855 · Fine
€85
John Merle Coulter
1912 · Good
€55
George Bourne
1935 · Very good
€45
Jonathan Dwight
1917 · Very good
€145
Stone, Witmer
1905 · Fair
€20
W. Vrolik
1886 · Fair · NL
€55
E. A. Wallis Budge
1932 · Fine
€95
Georg Moritz Ebers
1887 · Very good
€175
Hermann Schlegel
1858 · Very good · NL
€65
Edward Tuckerman
1910 · Very good
€100
Catherine Parr Traill
1874 · Fine
€160
American Ornithologists' Union.
1901 · Good
€25
Thomas McIlwraith
1903 · Very good
€45
Johannes Govertus de Man
1875 · Very good · NL
€95
George Fleming
1898 · Good
€50
William Beebe
1935 · Fine
€115
John Francis Campbell
1865 · Good
€50
W. H. Hudson
1910 · Good
€75
Ernest Thompson Seton
1905 · Good
€35
Lankester, E. Ray Sir
1922 · Good
€30
Arthur Cleveland Bent
1935 · Very good
€25
Leander Sylvester Keyser
1907 · Very good
€35
Antwerp Edgar Pratt
1910 · Good
€40
D. R. Hay
1874 · Very good
€70
Edwyn Sandys
1911 · Good
€25
Emma Phipson
1887 · Very good
€100
Ernest Thompson Seton
1921 · Very good
€100
John Leslie
1861 · Fair
€50
Charles Darwin
1879 · Good
€65
Elizabeth Grinnell
1905 · Fine
€85
Bradley M. Patten
1920 · Good
€30
Florence Augusta Merriam Bailey
1892 · Fair
€35
Charles Hamilton Smith
1850 · Very good
€60
Hilaire Belloc, B T. B. 1870-1917
1883 · Very good
€150
John Addington Symonds
1890 · Good
€105
Charles Darwin
1851 · Very good
€145
Louis Georges Neumann, George Fleming
1896 · Fair
€105
Mary Botham Howitt, Hector Giacomelli
1863 · Good
€65
Rudolf Těsnohlídek
1923 · Very good
€35
Robert Chambers
1867 · Good
€120
Edward North Buxton
1896 · Good
€45
John Wolley, John Wooley
1899 · Very good
€190
Kenneth Grahame
1935 · Good
€20
Frank R. Stockton
1874 · Good
€130
René Vallery-Radot
1903 · Very good
€35
Charles Darwin
1894 · Good
€45
Philip Henry Gosse
1862 · Very good
€75
Catherine Parr Traill
1859 · Good
€70
Hans Christian Andersen, Elsa Beskow
1918 · Good
€75
A. Ackerman
1852 · Fair
€35
J. Haak
1928 · Very good · NL
€30
Bradford Torrey
1922 · Very good
€30
Alfred Kaestner
1904 · Very good
€35
University of Chicago.
1904 · Good
€30
J. H. Wakker
1916 · Good · NL
€60
Simon Newcomb
1903 · Good
€45