1Thomas Jefferson’s Notes on Roman Cement, [ca. 21 November 1818] (Jefferson Papers)
building materials; cement, Roman [index entry]
2Enclosure: Circular on Roman Cement, [before 16 April 1821] (Jefferson Papers)
building materials; cement, Roman [index entry]
3Enclosure: Richard Randolph’s Directions for Making Cement, [ca. 10 April 1822] (Jefferson Papers)
building materials; cement, Roman [index entry]
4Enclosure: Arthur S. Brockenbrough’s Statement of his Drafts on the University of Virginia Bursar, [ca. 26 November … (Jefferson Papers)
building materials; cement, Roman [index entry]
5Thomas Jefferson to Richard Randolph, 13 May 1822 (Jefferson Papers)
building materials; cement, Roman [index entry]
6Thomas Jefferson to Arthur S. Brockenbrough, 20 April 1821 (Jefferson Papers)
building materials; cement, Roman [index entry]
7Andrew Smith to Thomas Jefferson, 16 April 1821 (Jefferson Papers)
building materials; cement, Roman [index entry]
8Thomas Jefferson to Andrew Smith, 26 July 1821 (Jefferson Papers)
building materials; cement, Roman [index entry]
9Bernard Peyton to Thomas Jefferson, 21 February 1822 (Jefferson Papers)
building materials; cement, Roman [index entry]
10Bernard Peyton to Thomas Jefferson, 11 February 1822 (Jefferson Papers)
building materials; cement, Roman [index entry]