21Mark Langdon Hill to Thomas Jefferson, 28 March 1820 (Jefferson Papers)
Governor Langdon Langdon
22Thomas Jefferson to Mark Langdon Hill, 5 April 1820 (Jefferson Papers)
Governor Langdon..., to it’s republican tack. this made me the mark for every shaft which calumny &
23Enclosure: John Holmes to the People of Maine, 10 April 1820 (Jefferson Papers)
Mr. HillMr. Hill
24To James Madison from Mark Langdon Hill, 17 April 1820 (Madison Papers)
...amusement a letter written by Mr. Jefferson to Gov. Langdon,...to John Langdon, 5 Mar. 1810,...
25Mark Langdon Hill to Thomas Jefferson, 17 April 1820 (Jefferson Papers)
LangdonGov. Langdon
26From James Madison to Mark Langdon Hill, [post–17] April 1820 (Madison Papers)
...from Mr. Jefferson, one to the late Govr. Langdon, the other to yrself, and a copy of...
27Thomas Jefferson to Bernard Peyton, 1 August 1820 (Jefferson Papers)
Mark Langdon Hill
28From James Madison to Mark Langdon Hill, 18 April 1822 (Madison Papers)
J. Madison, with his respects to Mr. Hill, returns his thanks for the copy of the Report...
29James Madison: Notes from State Papers, December 1830 (Madison Papers)
Cheves LangdonHill Mark L.
30Introduction (Adams Papers)
...the Borland farm, and home by way of present Presidents Hill....the greatest Marks of Genius...