1Directors of Library Company to Proprietors and Reply, July 1742 (Franklin Papers)
...the honourable John Penn Thomas Penn and Richard Penn Esquires, true and absolute...
2John Adlum to Thomas Jefferson, 15 February 1810 (Jefferson Papers)
Penn, Thomas [index entry]
3Thomas Jefferson to John Adlum, 13 January 1816 (Jefferson Papers)
Penn, Thomas [index entry]