Reviving your old thread ....
What was the name of the author of the book you mention above?
There is this one - Buddhist Saints in India: A Study in Buddhist Values and Orientations, by Ray, A. Reginald
, New York: Oxford University Press. 1994 - which has been reviewed by John Schroeder, of St. Mary's College of Maryland in Philosophy East and West, Volume 49, Number 2
(April 1999) pp. 235-237. Copyright by University of Hawaii Presshttp://ccbs.ntu.edu.tw/FULLTEXT/JR-PHIL/ew088467.htm