The Allen mss., 800-1972, consists of manuscript pieces collected by William Edward David Allen, 1901-1973, foreign service officer, businessman, and author, and his own writings about Georgian history.
The Alströmer mss., 1779-1784 and 1865, consists of a series of French newsletters addressed in a number of instances to naturalist Clas Alströmer, 1736-1794, of Gothembourg, Sweden.
The Bingham, W. mss., 1752-1891, consist of the correspondence, writings, personal and business papers of American statesman William Bingham, 1752-1804.
The Binkley, Raglind mss., 1450-1842, consist of medieval fragments collected by lutenist Thomas Binkley, 1931-1995, and his wife, Raglind Herrel Binkley, 1940-.
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 Boerner mss., 1779-1828, consist of manuscripts, journals, and correspondence by and relating to German writers Caroline von Wolzogen, Oskar Seidlin, and Friedrich von Schiller, along with related research material from German literary scholar and Goethe researcher Peter Boerner.