The Williams, Jonathan mss., 1738-1869, consist of letters and papers of Jonathan Williams, 1750-1815, merchant and soldier, grand-nephew of Benjamin Franklin and first superintendent of the U.S. Military Academy at West Point.
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 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 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 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 Thiébault Family mss., 1733-1872, consist of the papers of mutiple generations of the Thiébault family. The collection contains correspondence, journals, sketches, legal documents, poems, songs, drafts, military papers, autographs, and other miscellaneous objects belonging to the family.
Consists of a collection formed by Professor Breon Mitchell of first and early editions of bi–lingual dictionaries of languages throughout the world, including the languages of Africa, the Americas, Asia, and the Pacific Rim.