Arthur F. Griffith (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Arthur F. Griffith" in Spanish language version.

refsWebsite

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2books.google.com

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books.google.com

«The Latest Mathematical Prodigy». The Literary Digest 20 (3): 83. January 1900.
Bryan, William Lowe; Lindley, Ernest Hiram; Harter, Noble (1941). «The Case of A. G., Lightning Calculator». On the psychology of learning a life occupation. Indiana University.