Key, Charles E. The story of twentieth-century exploration / Charles E. Key. - London : The new library, c 1942. - xiv, 310 p. : ill. ; 19 cm. Includes index. 323 323 LCCN: 37027768 Subjects--Topical Terms: Accounts of travel--Discoveries. Dewey Class. No.: 910.4 / K52s