Shepard, Paul The subversive science : essays towards an ecology of man / ed ited by Paul Shepard and Daniel McKinley. - Boston : Houghton Mifflin , c1969. - x, 453 p. : ill. ; 24 cm Includes bibliographical references. Subjects--Topical Terms: Ecology --Essays------ Dewey Class. No.: 301.31 National Library of Medicine Call No.: QH 541 / S547s 1969