"On the Passage of a few people through a rather brief moment in time: the Situationist International, 1957-1972" edited by Elisabeth Sussman, (p. 142), 1989.
Speech at the Bombay Rotary Club on November 02, 1943. "Keynote: Excerpts from his speeches and chairman's statements to shareholders". Book by J. R. D Tata, 1986.