The Lieber mss., 1691-1945, are papers of Richard Lieber, 1869-1944, director of the Indiana State Department of Conservation from its creation in 1919 to 1933.
The McCulloch mss., 1766-1914, consist of letters and papers of Hugh McCulloch, 1808-1895, U.S. Comptroller of the Currency, Secretary of the Treasury, and a partner in the London banking house of Jay Cooke, McCulloch & Company.
The Smith, Hamilton mss., 1779-1874, consists of the letters and papers of Hamilton Smith, 1804-1875, lawyer and businessman of Louisville, Kentucky, and Cannelton, Indiana.
The Harrison, W.H. mss., 1779-1922, consists of photostats and transcripts of manuscript and printed material collected by Indiana University history professor Logan Esarey, 1873-1942, for his Messages and Letters of William Henry Harrison, published 1922.
The Judah mss., 1787-1927, consists of the papers of Samuel Judah, 1799-1869, lawyer of Vincennes, Indiana, and members of his family, particularly of his son, Samuel Brandon Judah, 1845-1928, stock raiser of Vincennes, Indiana.
The Boone mss., 1791-1868, consists of the letters and papers of lawyer, teacher, merchant, and politician Benjamin Pennebaker Douglass, 1820-1904, and his second wife, Queen Victoria Boone, 1837-1885.
The W.H. Harrison mss. II, 1794-1834, consists of letters and papers, of William Henry Harrison, 1773-1841, territorial governor of Indiana and ninth president of the United States.
The Lincoln mss., ca. 1798-1959, consist of letters, documents, and facsimile copies of documents by and about Abraham Lincoln, 1809-1865, his ancestors, immediate family, members of his cabinet, and other persons closely connected with him.