found: Girardi, M. Teoria dei campi, 1976.
found: Correspondence of Luigi Cremona, 2017:title page, v. 1 (general editor, Giorgio Israel) page 25-26 (retired full professor of the History of Mathematics at "Università degli studi di Roma "La Sapienza"; has written more than 200 scientific articles and 30 books, [including] The World as a Mathematical Game, 2009 [among others])
found: Wikipedia WWW, viewed Oct. 10, 2017:discussione web page (Giorgio Israel; born March 6, 1945, Rome, Italy; died September 25, 2015, Rome, Italy; was an Italian historian of science and epistemology)