The Gill mss., 1874, 1878-1879, consists of letters and prospectuses from various English girls' schools describing their curriculum, teachers, and environment.
The Hunter mss., 1862-1893, consists of the Civil War documents of Morton Craig Hunter, 1825-1896, brevet brigadier general and congressman from Indiana.
The Hahn mss. II, 1942-1943, consists of correspondence urging the U.S. Government to place the name of author Emily Hahn, 1905-1997, on the list of American correspondents in Japan and Japanese-held territories to be exchanged for Japanese journalists in the United States.
The Duval, K. D. mss., 1973-1976, consists chiefly of the correspondence between Kulgin Dalby Duval, bookseller, and 23 British bookbinders commissioned by him to produce original bindings for a catalogue and exhibition: British Bookbinding Today.
The Handley mss., 1862-1908, consists of the correspondence and papers of the family of Jesse Handley, 1803-1889, of White Oak Springs, Buckhorn Township, Brown County, Illinois.
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 Hambrecht mss., 1860-1940, consists of typewritten copies of correspondence of educator and Lincolniana collector George Philip Hambrecht, 1871-1943.