1Alrichs & Dixon to Thomas Jefferson, 10 March 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
2Thomas Jefferson to Alrichs & Dixon, 26 February 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
3Thomas Jefferson to Patrick Gibson, 26 February 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
4Thomas Jefferson to Alrichs & Dixon, 14 January 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
5Thomas Jefferson to James Ronaldson, 12 January 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
6Alrichs & Dixon to Thomas Jefferson, 1 January 1813 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
7Alrichs & Dixon to Thomas Jefferson, 2 December 1812 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
8Thomas Jefferson to Alrichs & Dixon, 22 September 1812 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
9Thomas Jefferson to Alrichs & Dixon, 30 August 1812 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]
10Alrichs & Dixon to Thomas Jefferson, 19 August 1812 (Jefferson Papers)
carding machines; from Alrichs & Dixon [index entry]