Ehrlich, Paul R, Man and the ecosphere readings from Scientific American / [[Book] :] With commentaries by Paul R. Ehrlich, John P. Holdren [and] Richard W. Holm. - San Francisco : W. H. Freeman, [1971]. - viii, 307 p. : illus. (part col.), maps (part col.) ; 29 cm. Bibliography: p. [293]-301. ISBN: 0716709430 0716709422 LCCN: 79158355 Subjects--Topical Terms: Human ecology. LC Class. No.: GF8 / .E35 Dewey Class. No.: 301.3108 National Library of Medicine Call No.: / EM