American heritage. Discoverers of the New World / by the editors of American heritage. Narrative by Josef Berger, in consultation with Lawrence C. Wroth. - New York : American Heritage, 1960. - 153 p. : ill. - American heritage junior library . Includes bibliographical references. LCCN: 60010300 Subjects--Geographic Terms: America--Exploration. Dewey Class. No.: 973.1