The Thiébault Family mss., 1733-1872, consist of the papers of mutiple generations of the Thiébault family. The collection contains correspondence, journals, sketches, legal documents, poems, songs, drafts, military papers, autographs, and other miscellaneous objects belonging to the family.
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.