Harper, Robert Alexander Between two worlds : an introduction to geography / Robert A. Harper, Theodore H. Schmudde. - 3rd ed. - Kendall/Hunt Pub. Co., c1984. - xi, 458 p. : col. ill. ; 27 cm. Includes bibliographies and index. ISBN: 0840331657 (pbk.) LCCN: 83083160 Subjects--Topical Terms: Geography. Subjects--Index Terms: გეოგრაფია LC Class. No.: G128 / .H36 1984 Dewey Class. No.: 909 Universal Decimal Class. No.: 91(100)