The Coster mss., 1877-1938, consists of letters to Lincoln collector Robert Coster, 1851?-1928, relating to Lincoln, and letters to his nephew Paul Coster, relating to Lincoln and to John Sherman.
The Hambrecht mss., 1860-1940, consists of typewritten copies of correspondence of educator and Lincolniana collector George Philip Hambrecht, 1871-1943.
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.
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.
This collection consists of items honoring the 16th President of the United States, Abraham Lincoln. It includes over 250 funeral and memorial orations. Also includes likenesses, caricatures, and memorabilia of Lincoln and his contemporaries plus newspapers of the Civil War period.
The Oakleaf mss. II, 1895-1909, consist chiefly of requests for railway passes by Joseph Benjamin Oakleaf, 1858-1930, lawyer of Moline, Illinois, to officials of the Chicago, Rock Island and Pacific Railway Co.: Marcus Lafayette Bell, Benjamin Stickney Cable, Robert Mather and William Thomasson Rankin.
The Oldroyd mss., 1864-1909, are letters and papers of Osborn Hamiline Oldroyd, 1842-1930, Lincoln collector and museum curator, relating to the assassination of Abraham Lincoln.
The Thompson, K.A. mss., 1874-1932, consist in the main of notebooks made by Kate A. Thompson, 1855?-1942, between 1918 and 1926, tracing her family's genealogy in relation to Nancy Hanks Lincoln, the mother of Abraham Lincoln.
The Williams, K.P. mss., 1820-1958, consists of letters and papers of Kenneth Powers Williams, 1887-1958, professor of mathematics at Indiana University and author of Lincoln Finds a General.