Watson, Richard A., 1931-2019. Man and nature; an anthropological essay in human ecology [by] Richard A. Watson [and] Patty Jo Watson. - New York, Harcourt, Brace & World [1969] - xii, 172 p. 21 cm. Bibliography: p. 163-172. LCCN: 72076618 Subjects--Topical Terms: Human ecology. LC Class. No.: GF 23 / .W3