David Hartley papers
Additional Descriptive Data
The Schoff Revolutionary War collection contains a letter from Charles Rockingham to David Hartley, dated June 7, 1781.
Additional correspondence of David Hartley may be found in the William Petty, 1st Marquis of Lansdowne, 2nd Earl of Shelburne papers.
The Clements Library holds the following portrait of David Hartley, engraved by James Walker from a painting by George Romney: Walker, James, and George Romney. David Hartley, Esq., Member of Parliament for Kingston Upon Hull, And His Britannic Majesty's Plenipotentiary Appointed to Treat With the United States of America. London: Published by S. Watts ..., 1784.
The Clements Library holds many published works by and about Hartley, including several copies of On the Preliminaries of Peace. Search the University Library catalog for more information.