1Robert Mills to Thomas Jefferson, 4 June 1810 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]
2Thomas Sully to Thomas Jefferson, 22 December 1811 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]
3Thomas Sully to Thomas Jefferson, 6 January 1812 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]
4Robert Mills to Thomas Jefferson, 8 June 1812 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]
5Thomas Jefferson to Robert Mills, 24 June 1812 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]
6Robert Mills to Thomas Jefferson, 7 June 1814 (Jefferson Papers)
Mills, Robert; and Society of Artists of the United States [index entry]