1Thomas Jefferson to Mathew Carey, 1 September 1816 (Jefferson Papers)
Bonnycastle, John; An Introduction to Algebra [index entry]
2Enclosure: Mathew Carey’s Invoice for Books Bought for Thomas Jefferson, 12 September 1816 (Jefferson Papers)
Bonnycastle, John; An Introduction to Algebra [index entry]
3Thomas Jefferson’s Transactions with James Leitch, 6 March–30 May 1820 (Jefferson Papers)
Bonnycastle, John; An Introduction to Algebra [index entry]