75 reels. Accompanied by a guide. Correspondence (personal, family, and professional), including Coxe's books, memoranda, notes, personal financial records, legal documents, land surveys and other land papers, ships' papers, merchants' accounts, government office records, and miscellaneous material, chiefly from 1775 to 1824. Includes records from Coxe's official duties as U.S. Secretary of the Treasury, Commissioner of Revenue, Secretary of the Land Office of Pennsylvania, and U.S. Purveyor of Public Supplies; and correspondence relating to politics from the Annapolis Convention through the election of John Q. Adams, federal economic policy, growth and encouragement of American manufactures, cotton production, internal improvements, agriculture, and the slave trade, and to three generations of Coxe family matters. Originals are at the Historical Society of Pennsylvania.

1 reel. Military and diplomatic correspondence relating to the army, navy, and the frontier. Originals are in the National Archives.

The North Amercian Land Company ledger contains accounts with prominent men of the time; in additon to the ledger are numerous deeds and other documents involving Robert Morris.