Leithäuser, Joachim G. Worlds beyond the horizon / Joachim G.Leithäuser and translated by Hugh Merrick - London : George allen and unwin ltd., 1956. - 371 p. : ill. ; 23 cm. Includes index and bibliographical references. Subjects--Topical Terms: Trips around the worldDiscoveries in geography. Dewey Class. No.: 910.41 / LEW 1956