1Thomas Jefferson to Théodore Pahlen, 15 April 1811 (Jefferson Papers)
Monticello (TJ’s estate); Visitors to; Pahlen, Théodore [index entry]
2James Monroe to Thomas Jefferson, 16 April 1811 (Jefferson Papers)
Monticello (TJ’s estate); Visitors to; Pahlen, Théodore [index entry]
3Théodore Pahlen to Thomas Jefferson, 4 April 1811 (Jefferson Papers)
Monticello (TJ’s estate); Visitors to; Pahlen, Théodore [index entry]
4David Bailie Warden to Thomas Jefferson, 6 April 1811 (Jefferson Papers)
Monticello (TJ’s estate); Visitors to; Pahlen, Théodore [index entry]