Saw, Ruth Lydia. Leibniz, 1954: title page (Ruth Lydia Saw) back cover (born in Carshalton, Surrey, in 1901, and except for some years spent in the U.S.A., has lived there ever since; lectured at Smith College, in Massachusetts, in the Extra-Mural department of the University of London, at Bedford College, and at Birkbeck College, where she is head of the department of philosophy)

Oxford reference WWW site, Mar. 28, 2014 (Ruth Saw was born in Carshalton, Surrey (her birth was recorded in nearby Epsom on 1 August 1901) and died there on 23 March 1986)

Wikipedia, Mar. 28, 2014 (Ruth L. Saw; president of the Aristotelian Society)

OCLC, Apr. 2, 2014 (access point: Saw, R. L.; usage: Ruth L. Saw)