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- Welton Family Papers, 1770/19281
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- William B. Curtis (1821-1891) Papers, 1830/19541
- William E. Brooks (1875-1960), Collector, Papers, 1825/19441
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- William Henry Edwards (1822-1909) Papers, 1852/18971
- William I. Protzman Diaries, 1906/19111
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- William M. Goudy, Soldier, Civil War Diaries, 1862/18641