1To Thomas Jefferson from William John Coffee, 3 January 1823 (Jefferson Papers)
...Enrichment to the wood. The Human masks and the Ox sculls should be Put up with white lead as stiff as Book binders Paste, and in to One of those small holes that is in every Piece, A small Screw should be Put, only let him take the Precaution to have the screws too small, then too Large and that he must not drive the screw Head too close on the work but only in such a way that the screw may...
2To Thomas Jefferson from William John Coffee, 15 February 1823 (Jefferson Papers)
4 Doz of 1¾ screws at 10 Cents
3To Thomas Jefferson from William John Coffee, 20 December 1824 (Jefferson Papers)
I do not see any necessary directions to your People unless it is to say I think it will be proper to use round headed Screws for the purpose of Geting them up (a kind of lock screw I mean thus [GRAPHIC IN MANUSCRIPT]) my reson is the less likelyhood of Spliting the Rose,—If other are used the heads must be filed off on the side