The Uriarte mss., 1729-1790, consists primarily of the correspondence of Manuel Joaquín Uriarte, 1720-1802, and his diary of missionary life in the province of Mainas.
The U.S. History mss., 1612-1977, consist of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to the United States. Additions continue to be made.
The U.S. Secretaries of Treasury mss., 1750-1961, consist of letters, documents, and autographs of secretaries of the treasury, government officials, and other prominent people collected by Walter N. Eastburn, 179 South Harrison Street, East Orange, New Jersey.
The Vernon mss., 1737-1740, consists of contemporary copies and extracts of the correspondence between Admiral Edward Vernon, 1684-1757, and the Great Britain Navy Board.
The Walpole mss., 1715-1781, consists of the correspondence of Horatio Walpole, 1st Baron Walpole, 1678-1757, to his brother-in-law, Charles Townshend, 2nd viscount Townshend, 1674-1738.
The War of 1812 mss., 1776-1879, consists of individual items acquired separately either as a gift or purchase from a variety of sources, relating to the War of 1812.