Hutchinson, E. P. The population debate : the developoment of conflicting theories up to 1900 / E. P. Hutchinson - New York : Houghton Mifflin Co., 1967. - xiv, 466 p. ; 25 cm. Includes Index. Subjects--Topical Terms: Population. Dewey Class. No.: 304.6 / HUP 1967