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Books about Umphraville:
THE SIEGE OF BALTIMORE, AND THE BATTLE OF LA TRANCHE; With Other Original Poems. By Angus Umphraville, Aged Nineteen... by Angus. Umphraville (1817)
Some of the ancestors and descendants of David Harding, 1767-1837,: And his two wives Abigail Umberfield/Umphravil... by Adena Williams Charlton (1980)