Kaufmann, Walter. What is Man? / Photographs and Text by Walter Kaufmann. - New York : Reader's Digest Press : distributed by McGraw-Hill, 1978. - 160p. ; ill. (some col.) ; 28 cm. Bibliography: p. 147-148. ISBN: 0070333165 LCCN: 78009100 Subjects--Topical Terms: Photography, Artistic.Human beings. LC Class. No.: TR654 / .K385 Dewey Class. No.: W91 / K162