Collection
- Muller mss., 1910-19672,236
- Ricketts mss. III, 1856-19792,227
- Adomeit mss. II, 1950s-19952,150
- Slocum mss., 1955-20122,087
- Baker, Hord, and Hendricks mss., 1862-19162,026
- League of Women Voters mss., 1913-20142,025
- Parodies : a collection of several hundred ridiculous rhymes in imitation of known authors and their works, [ca. 1850-1950]2,020
- Baker Street Irregulars mss., 1923-20212,006
- Meier mss., 1927-20101,942
- Wakefield mss., 1950-20111,740
- Young, C. mss., 1935-20141,693
- Miscellaneous uncataloged materials honoring Abraham Lincoln, 1809-19851,689
- Mitchell, B. mss II., 1970-2016, 2001-20121,682
- Haurowitz mss., 1920-19851,661
- Boorman, John mss., 1940-20141,654
- Capra Press mss., 1955-20101,606
- Solt mss. II, 1912-20211,594
- Elder, Robert K. mss., 1970-20121,490
- Bradley mss., 1902-19971,462
- Sonneborn mss., 1922-19811,462