Note 84 — Chapter IV · THE HIGHER FORMS OF ABSTRACTION. THEIR NATURE.
Frances A. (Frances Alice) Welby translation
The results of the investigation were published, partly in the Revue Philosophique, October, 1891, partly at the International Congress of Psychology, second session, London, 1892 (International Congress of Experimental Psychology. London: Williams & Norgate, pp. 20, et seq.).