TY - GEN AU - Ambrose, Stephen E. TI - Undaunted courage: Meriwether Lewis, Thomas Jefferson, and the opening of the American West SN - 0684826976 AV - F592.7 .A49 1997 PY - 1997///, c1996 CY - New York PB - Simon & Schuster KW - Jefferson, Thomas, KW - Lewis, Meriwether, KW - Clark, William, KW - Lewis and Clark Expedition KW - (1804-1806) KW - Explorers KW - United States KW - Biography KW - Kaşifler KW - Amerika Birleşik Devletleri KW - Biyografi N1 - "A Touchstone book"; Includes bibliographical references (p. 503-506) and index ER -