Wooldridge, Sidney William. The physical basis of geography : an outline of geomorphology / by S. W. Wooldridge and R. S. Morgan. - London : Longmans, Green and Co., [1937]. - xxi, 445 p. : front., ill., diagrs. ; 23 cm. - The university geographical series. . Includes bibliographical references (p. 429-435). Subjects--Topical Terms: Geology. Physical geography. Geomorphology. Dewey Class. No.: 551.41