Explorers' maps: chapters in the cartographic record of geographical discovery,
Skelton, R. A.(Raleigh Ashlin),1906-1970.
Feltham, New York, Spring Books,
1970.
A reprint, with revisions, of a series of 14 articles published in the Geographical magazine (London) between July 1953 and Aug. 1956.
Bibliography: p. 328.
Cartography
Discoveries in geography.