Hawley, Amos Henry. The changing shape of metropolitan America : deconcentration since 1920 / Amos Henry Hawley - Glencoe, Ill. : Free Press, 1956. - 177 p. : ill. ; 23 cm. Bibliographical references included in "Notes" (p. 176-177) Subjects--Topical Terms: Cities and towns--United States. Subjects--Geographic Terms: United States--Population. Dewey Class. No.: 301.36 / HAC 1956