"The LM Singhvi interfaith lecture for the year 1999"
"This paper was given on 12 April 1999 at the Nehru Centre of the High Commission of India, London"--t.p. verso.
Sufism and the integration of the inner and outer life of man by Seyyed Hossein Nasr. ISBN 0954031156. Published by Temenos Academy in 2004. Publication and catalogue information, links to buy online and reader comments.