Herbert Spencer 

Derby, England, April 27, 1820 England, December
8, 1903
- Bowden Parker Bowne, The Philosophy
of Herbert Spencer, (1874)
 - Malcolm Guthrie, On Mr. Spencer's
Formula of Evolution as an Exhaustive Statement of the Changes
of the Universe, (1879)
 - Malcolm Guthrie, On Mr. Spencer's
Unification of Knowledge, (1882)
 - Edward Livingstone Youmans, Herbert
Spencer on the Americans and the Americans on Herbert Spencer
(1883)
 - Hector MacPherson, Herbert
Spencer: The Man and His Work (1901)
 - Josiah Royce, Herbert Spencer,
An Estimate and Review, (1904)
 - J. Arthur Thomson, Herbert Spencer,
(1906)
 - William Henry Hudson, Herbert
Spencer, (1908)
 - William Henry Hudson, An Introduction
to the Philosophy of Herbert Spencer, (1911)
 - William M. Lacy, An Examination
of the Philosophy of the Unknowable as Expounded by Herbert Spencer,
(1912)
 - Hugh Elliot, Herbert Spencer,
(1917)