| Philadelphia Chapter Lewis and Clark Trail Heritage Foundation |
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The Lewis and Clark Trail Heritage Foundation 2003 Annual Meeting in Philadelphia |
| Resources for information about the entire Lewis and Clark Expedition |
Sources for Viewing Documents
Treasures
of the Library of Congress
Letter: Thomas Jefferson to Meriwether Lewis (1774-1809) Press copy in
the hand of Jefferson, June 20, 1803
Documents related to Thomas Jefferson and the Louisiana Purchase, the Expedition, and the Indian Vocabularies
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