Jansenism was a religious movement based on the teachings of the theologian Cornelius Jansen (1585-1638). His doctrines held that human beings cannot achieve goodness without the intervention of God's grace and that a minority of individuals has been predestined by God for salvation. Consists of a collection of papers related to the Jansenist controversy in France in the 18th century.

Consists of an open collection of manuscripts written in the Syriac alphabet.

The Records of Colonial Tlalpujahua (Michoacán, Mexico) consists of papers pertaining to the Convento de Nuestra Señora de Guadalupe, as well as miscellaneous papers that document matrimonial and criminal legal cases, land transactions in Tlalpujahua and Toluca, and genealogical information compiled by Austacio Rulfo. Additional papers to the collection include documents, accounts, religious petitions, assorted documents, and correspondence, many pertaining to the Benavides family.

Consists chiefly of financial records, household accounts, inventories of moveable property, and some correspondence of Galeazzo Marescotti (1627-1726), who seved as papal nuncio to the royal court of King Carlos II of Spain from 1670 to 1675.