Hoover, Edgar Malone, 1907- An introduction to regional economics [by] Edgar M. Hoover. - [1st ed.] - New York, Knopf [1971] - xv, 395 p. illus. 25 cm. ISBN: 0394310403 LCCN: 77136017 LC Class. No.: HT391 .H66 / .H66 Dewey Class. No.: 338/.09