Ledyard, John, 1751-1789 -- Travel : The making of John Ledyard : empire and ambition in the life of an early American traveler / Edward G. Gray
2007
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Ledyard, John, 1751-1789 -- Travel -- Russia : John Ledyard's journey through Russia and Siberia, 1787-1788 : the journal and selected letters / edited with an introduction by Stephen D. Watrous