LANGDON, John, 1741-1819



Courtesy U.S. Senate Historical Office

Guide to Research Collections

Cornell University Libraries
Rare Books and Manuscript Collections
Ithaca, NY
Papers: Proclamation of Thanksgiving (October 21, 1785) in Washington Irving’s Life of George Washington, Volume IX, Miscellany, 1766-1808.


Dartmouth College
Hanover, NH
Papers: 1775-1813. 45 letters.


Daughters of the American Revolution
Constitution Hall
Washington, DC
Papers: 1 item (February 24, 1791) in Signers of Constitution collection.


Harvard University
Graduate School of Business Administration Baker Library
Boston, MA
Papers: In Wendel family business records, 1722-1865.


Harvard University
Houghton Library
Cambridge, MA
Papers: 16 items (March 16, 1789-July 27, 1790) in Sturgis family papers; and in Joseph Whipple papers, 1717-1904 (bulk 1763-1814).


Historical Society of Delaware
Wilmington, DE
Papers: 2 items (February 1, 1789; March 18, 1789) in George Read papers.


Historical Society of Pennsylvania
Philadelphia, PA
Papers: 1659-1824. Ca. 600 items. Chiefly correspondence, documents, and commercial accounts including correspondence pertaining to the Revolution and messages as governor of New Hampshire. Also 1 item (March 11, 1789) in Read manuscripts; and 1 item (May 2, 1789) in Gratz collection.


Library Company of Philadelphia
Philadelphia, PA
Papers: 1 item (March 21, 1789) in Benjamin Rush papers.


Library of Congress
Manuscript Division
Washington, DC
Papers: 3 items (1776, 1788, 1809); 6 items (April 6, 1789-July 23, 1790) in George Washington papers; and correspondence in Samuel Sherburne papers, 1778-1812.


Massachusetts Historical Society
Boston, MA
Papers: Ca. 50 items (1773-1828) in various collections. Finding aid.


New Hampshire Historical Society
Concord, NH
Papers: 1716-1841. Ca. 1 foot; 1,000 items. In part, transcripts and photocopies. Correspondence (1762-1823), account books (1766-1795), and papers reflecting political and business activities. Topics include voyages to the West Indies, Newfoundland, and London; financial interests in privateers; the building and supplying of the Raleigh, and shipbuilding. Available on microfilm. Finding aid. Also portraits.


New Hampshire State Library
Concord, NH
Papers: 1 item (January 7, 1791) in Miscellaneous Province and State papers.


New York Public Library
New York, NY
Papers: 1774-1789. 108 letters. Correspondence on the Revolution, the activities of Congress, and affairs of New Hampshire. Formerly part of the Bancroft collection.


Northwestern University Library
Evanston, IL
Papers: April 14, 1789. 1 letter. From George Washington concerning his acceptance of the presidency.


Pierpont Morgan Library
New York, NY
Papers: 1777-1796. 3 items.


Portsmouth Athenaeum
Portsmouth, NH
Papers: 1761-1817. 3 linear feet; 2,320 items. Chiefly letters to Langdon (ca. 2,000); one letterbook (1775-1779); records of shipbuilding; and business records. Letters received are on business and political topics including correspondence with William Whipple (57 letters) and Samuel Livermore (60 letters), representatives to the Continental Congress; correspondence with Robert Morris; the navy board; Eastern department; and ship captains Thomas Thompson, Thomas Simpson, and Hopley Yeaton. The letterbook was primarily for governmental business and contains copies of letters sent (1776-1777) and orders to ship captains (1775-1779). Available on microfilm. Finding aid.


Smithsonian Institution
Archives of American Art
Washington, DC
Papers: 1 letter (June 1, 1799) to John Trumbull in Tony Canning collection. Available on microfilm.


Strawbery Banke Museum
Portsmouth, NH
Papers: 1663-1957 (bulk 1760-1820). 2 linear feet. Political correspondence especially with leaders of the Revolutionary cause in New Hampshire, family correspondence concerning business ventures and personal matters, bills, orders, receipts, accounts, and letterbooks (1777-1784). Revolutionary correspondence includes weekly letters (1776-1778) from Josiah Bartlett in Philadelphia, reports from Bunker Hill by Hall Jackson, and letters from James Lovell. Other correspondents include George Washington, Thomas Jefferson, John Adams, John Paul Jones, John Hancock, Robert Morris, Samuel Adams, James Madison, James Monroe, and Alexander Hamilton. Includes papers of other family members. Available on microfilm. Finding aid.


University of Pennsylvania
Philadelphia, PA
Papers: Export permit (January 9, 1776) authorizing Langdon to serve as an export agent in Continental Congress in Miscellaneous manuscripts, 1776-1778.