Robert Frost
1935 · Good
€25
Stephen Leacock
1932 · Good
€25
Simon Newcomb
1917 · Good
€20
Theun de Vries
1935 · Good · NL
€20
John Burroughs
1894 · Good
€45
John Ruskin
1887 · Good
€45
Simon Newcomb
1910 · Good
€20
Clement C. Moore
1917 · Good
€20
John Francis Campbell
1865 · Good
€50
Snyder, Harry
1925 · Good
€20
Henry van Dyke
1909 · Very good
€25
Arabella B. Buckley
1887 · Good
€45
Garrett Putman Serviss
1909 · Good
€45
Lewis Mumford
1935 · Very good
€25
Annie Salomons
1935 · Good · NL
€20
Charles John Holmes
1935 · Very good
€35
François HaverSchmidt
1911 · Good · NL
€20
S. Laing
1916 · Good
€50
Hugo D. Froehlich, Bonnie E. Snow
1928 · Very good
€25
G. A. Henty
1935 · Very good
€30
Arthur van Schendel
1931 · Very good · NL
€45
Sir William Francis Butler
1873 · Good
€50
Edwin Checkley
1890 · Good
€50
John Palliser
1862 · Good
€35
Garrett Putman Serviss
1913 · Good
€35
Wilmore, Albert.
1921 · Good
€35
O. Henry
1909 · Good
€40
Walter W. Bryant
1907 · Good
€25
Simon Newcomb
1903 · Good
€45
J. H. Poynting
1916 · Very good
€45
Edmund Garratt Gardner
1911 · Very good
€40
Herman Gorter
1935 · Very good · NL
€40
Erwin Madelung
1935 · Fine
€40
Henry David Thoreau
1935 · Good
€30
John William Norie
1886 · Good
€50
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
J. H. Poynting
1922 · Very good
€35
Worthington Hooker
1865 · Good
€50
C. Claus, Carl Friedrich Wilhelm Claus
1883 · Good
€40
Steven S. Zumdahl
1915 · Good
€45
Mary Roberts Rinehart
1924 · Very good
€25
Carl David Tolmé Runge
1916 · Fine
€50
Frederick Moore Simpson
1908 · Very good
€35
Annie Salomons
1923 · Very good · NL
€25
Samuel Pierpont Langley
1889 · Good
€45
Mabel Osgood Wright
1903 · Good
€40
Eugène Pittard
1926 · Good
€20
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Zane Grey
1923 · Very good
€30
Clement Clarke Moore, Anonymous
1935 · Good
€30
Robert Michael Ballantyne
1891 · Good
€35
Kenyon Cox
1925 · Good
€25
E. J. Potgieter
1886 · Very good · NL
€45
Harriet Mann Miller
1895 · Good
€50
Arthur Conan Doyle
1928 · Good
€50
John Ruskin
1900 · Very good
€25
J. Arthur Thomson
1909 · Fine
€45
Algernon Charles Swinburne
1879 · Good
€50
Isabella L. Bird
1891 · Good
€40