John William Norie
1886 · Good
€50
Richard A. Proctor
1918 · Good
€50
Harriet Mann Miller
1895 · Good
€50
Harriet Mann Miller
1891 · Fair
€35
Harriet Mann Miller
1892 · Very good
€45
Jerome Klapka Jérôme
1892 · Good
€50
British Ornithologists' Union
1907 · Fair
€45
Samuel Pierpont Langley
1903 · Good
€20
Charles Fletcher Lummis
1902 · Very good
€25
William Dean Howells
1900 · Good
€35
American Ornithologists' Union.
1901 · Good
€25
Hilaire Belloc
1935 · Good
€45
W. Hamilton Gibson
1914 · Fair
€15
Edwyn Sandys
1911 · Good
€25
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Archibald Thorburn
1935 · Very good
€35
Bradford Torrey
1922 · Very good
€30
Wilkie Collins
1859 · Good
€35
Robert Louis Stevenson
1919 · Fair
€15
Charles Fort
1934 · Very good
€45
Edward Everett Hale, Florence Maria Miller
1869 · Good
€45
Howard Roger Garis
1924 · Fine
€30
University of Chicago.
1904 · Good
€30
Rudyard Kipling
1918 · Good
€20
Florence Augusta Merriam Bailey
1892 · Fair
€35
John Tyndall
1904 · Fair
€20
Denison Olmsted
1857 · Fair
€40
F. O. Morris
1866 · Good
€40
Rudolf Těsnohlídek
1923 · Very good
€35
Lewis Mumford
1935 · Very good
€25
Mazo de la Roche
1930 · Good
€20
Jean Marie Antoine Gevers Leuven
1904 · Good · NL
€20
Rowland Ward
1935 · Good
€25
Leander Sylvester Keyser
1907 · Very good
€35
H. G. Adams
1863 · Fair
€25
Matthew Calbraith Perry
1859 · Very good
€45
Zane Grey
1923 · Very good
€30
John Francis Campbell
1865 · Good
€50
F. Max Müller
1884 · Good
€40
Isabella L. Bird
1901 · Good
€35
Karl Pearson
1934 · Fine
€30
Archibald Rogers
1926 · Good
€25
Simon Newcomb
1910 · Good
€20
Dewar, Douglas
1935 · Good
€35
Alexander Milton Ross
1888 · Very good
€50
Edgar Allan Poe
1912 · Fair
€20
W. H. Hudson
1935 · Fair
€25
C. J. Maynard
1885 · Good
€35
Frederick A. Ober
1883 · Fair
€30
William Chauvenet
1899 · Very good
€45
Oliver Davie
1904 · Good
€35
Gontran de Poncins, Lewis Galantière
1933 · Fair
€40
Watson, William
1929 · Fair
€50
E. J. Banfield
1923 · Good
€35
Heinrich Boie
1863 · Fair · NL
€35
John George Wood
1870 · Fair
€40
T. J. Bezemer
1903 · Good · NL
€25
George Alexander Wilken
1914 · Very good · NL
€40
Denham Jordan
1908 · Fair
€50
John Elof Boodin
1935 · Fair
€15