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 Delany mss., 1728-1760, consists of an anthology, a volume of original drawings, and the manuscript of Marianna by Mary (Granville) Delany, 1700-1788, artist and writer.
The Sieveking mss., 1724-1971, consists of the papers of Lancelot (Lance) de Giberne Sieveking, 1896-1974, author, playwright, and pioneer of BBC radio programming.
Consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to English literature. Additions continue to be made.