The Fenn mss. consist of materials from the library of Bert R. Fenn of Tell City, Indiana, related to the Howard Shipyards and Dock Company of Jeffersonville, Indiana.
The Hammond mss., 1812-1952, consists of a letter of marque and reprisal from King George III to privateer Thomas Hocquard and related materials created and collected by H. H. Hammond.
The Howard Ship Yards & Dock Company mss., 1834-1942, are papers of the company of that name of Jeffersonville, Indiana, builders of steamboats, barges, towboats, etc. The papers in the collection consist of account books and other financial records, letters received, letter-copybooks, blueprints, drawings, and some photographs.
The Howard Boat Photograph Collection consists of copies made in the 1980's of photographs of river boats built by the Howard Shipyard & Dock Company at Jeffersonville, Indiana, between the 1860's and the 1930's.
The Howard Oral History mss., 1989-1990, consists of transcriptions of oral history interviews relating the history of the Howard family and of the Howard Ship Yards in Jeffersonville, Indiana.
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.
The Gt. Brit. Admiralty mss., 1811-1813, consists of contemporary copies and duplicates of orders and letters to Rear Admiral Robert Stopford, 1768-1847, and Rear Admiral Charles Tyler, 1760-1835, commanders-in-chief at the Cape of Good Hope.
The Humphreys mss., 1814-1825, consist of the journal of the Atlantic cruise of the U.S. Frigate Constitution, by A.Y. Humphreys, ?-1826, chaplain and purser of the U.S. Navy.
The Ollard mss., 1979-1993, consist primarily of letters from Irish sea novelist Patrick O'Brian, 1914-2000, to his longtime friend and former editor at Collins & Sons, Richard Lawrence Ollard, 1923-2007.
The O'Brian mss. II, ca. 1930-1941, consists of the letters, writings, and clippings of author Patrick O'Brian, 1914-2000, written under his original name, R. P. (Richard Patrick) Russ.
The O'Brian mss., ca. 1970-1994, consists primarily of notes and full-text manuscripts of author Patrick O'Brian's historical sea novels. Autograph manuscripts for eighteen of the twenty published novels are present.
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.