1John Patterson to Thomas Jefferson, 6 January 1819 (Jefferson Papers)
Potter, Nathaniel; A Memoir on Contagion, more especially as it respects the Yellow Fever [index...
2Thomas Jefferson to Nathaniel Potter, 17 January 1819 (Jefferson Papers)
Potter, Nathaniel; A Memoir on Contagion, more especially as it respects the Yellow Fever [index...
3Thomas Jefferson to John Patterson, 31 January 1819 (Jefferson Papers)
Potter, Nathaniel; A Memoir on Contagion, more especially as it respects the Yellow Fever [index...