TY - BOOK AU - Delpar,Helen TI - The Discoverers: an encyclopedia of explorers and exploration SN - 0070162646 AV - G200 .D53 U1 - 910.922 PY - 1980/// CY - New York PB - McGraw-Hill KW - Explorers KW - Biography KW - Encyclopedias N1 - Includes bibliographies and index ER -