1Enclosure: Benjamin Rush to Vine Utley, 25 June 1812 (Jefferson Papers)
books; on hygiene [index entry]
2George Williamson to Thomas Jefferson, 5 July 1819 (Jefferson Papers)
books; on hygiene [index entry]
3Thomas Jefferson to George Williamson, 11 July 1819 (Jefferson Papers)
books; on hygiene [index entry]