The Illingworth mss., 1816-1880, consists of the papers of businessman Richard Stonhewer Illingworth, 1797-1884. The papers deal with personnel matters, finances, the returns on cocoa, cotton, sugar, and tobacco, and the mining of coal, copper, emeralds, gold, lead, salt, and silver.
The Mutis Daza mss., 1568-1936, except for a small portion, were assembled by Eduardo Posada, 1862- , historian and bibliographer, for Camilo Mutis Daza. Included are a number of outstanding items on Bolivia, Colombia, Ecuador, Peru and Venezuela during the wars of independence.