Trewartha, Glenn Thomas, 1896- An introduction to climate / Glenn T. Trewartha. Cartography by Randall D. Sale. - 4th ed. - New York : McGraw-Hill, 1968. - 408 p. : illus., maps. ; 24 cm. - McGraw-Hill series in geography . Includes bibliographies and index. ISBN: 070651485 Subjects--Topical Terms: Climatology.Weather. Dewey Class. No.: 551.5 / TRI 1968