Article Forsdyke, Donald R. (2015)
“A Vehicle of Symbols and Nothing More”: George Romanes, Theory of Mind, Information, and Samuel Butler. History of Psychiatry (pp. 270-287). (/isis/citation/CBB001552609/) unapi

Article Cogliati, Alberto (2015)
Variations on a Theme: Clifford's Parallelism in Elliptic Space. Archive for History of Exact Sciences (pp. 363-390). (/isis/citation/CBB001553275/) unapi

Chapter Petrunic, Josipa (2014)
Evolutionary Mathematics: William Kingdon Clifford's Use of Spencerian Evolutionism. In: The Age of Scientific Naturalism: Tyndall and His Contemporaries (pp. 89-112). (/isis/citation/CBB001202317/) unapi

Book Lightman, Bernard; Dawson, Gowan (2014)
Victorian Scientific Naturalism: Community, Identity, Continuity. (/isis/citation/CBB001422041/) unapi

Chapter Lightman, Bernard (2014)
Science at the Metaphysical Society: Defining Knowledge in the 1870s. In: The Age of Scientific Naturalism: Tyndall and His Contemporaries (pp. 187-206). (/isis/citation/CBB001202322/) unapi

Chapter Petrunic, Josipa G. (2007)
Evolutionary Mathematics: The Discourse of Evolution, Variation, and Acquired Traits in William Kingdon Clifford's Mathematics (1868--1879). In: (Re)Creating Science in Nineteenth-Century Britain (p. 230). (/isis/citation/CBB001035843/) unapi

Book Chisholm, Monty (2002)
Such Silver Currents: The Story of William and Lucy Clifford, 1845--1929. (/isis/citation/CBB000330717/) unapi

Article Laver, F.J.M. (1994)
William Kingdon Clifford, F.R.S., 1845-1879. Report and Transactions; Devonshire Association for the Advancement of Science, Literature, and Art (pp. 145-166). (/isis/citation/CBB000070514/) unapi

Article Farwell, Ruth; Knee, Christopher (1990)
The end of the absolute: A 19th-century contribution to General Relativity. Studies in History and Philosophy of Science (pp. 91-121). (/isis/citation/CBB000033086/) unapi

Article Clifford, William Kingdon (1981)
On the aims and instruments of scientific thought. Great Ideas Today (pp. 454-470). (/isis/citation/CBB000000551/) unapi