Cumming, William Patterson, The discovery of North America [by] W. P. Cumming, R. A. Skelton [and] D. B. Quinn. - [1st American ed.] - New York, American Heritage Press [1972, c1971] - 304 p. illus. 31 cm. Includes Index Bibliography: p. 298-300. 38239 ISBN: 0070149054 LCCN: 73165335 Subjects--Geographic Terms: America--Discovery and exploration. LC Class. No.: E101 / .C96 1972 Dewey Class. No.: 973.1 Cum 15