The Blair, M.A.I. mss., 1684-1897, consists of letters and documents collected by art collector and benefactor Mary Anne Italia Mitchell Blair, 1855-1940.
The Jonathan Krause Rare Newspaper and Magazine Collection consists of approximately 900 original issues of historical newspapers and magazines, with a focus on late 18th- and early 19th-century American publications.
The Lafayette mss., 1572-1939, consist of correspondence and papers assembled by banker Walter P. Gardner around the central figure of Marie Joseph Paul Yves Roch Gilbert du Motier, marquis de Lafayette, 1757-1834, general.