Huntington, Elsworth. Principles of human Geography / Elsworth Huntington, Sumner W. Cushing and Frances D. Harrower. - 5th ed. - New York : John Wiley, c 1940. - 594 p. : ill. ; 22 cm. Includes index . 338 338 Subjects--Topical Terms: Human geography. Dewey Class. No.: 911 / H922r