The collection consists of the papers of the Frey family and related Ludlow and Baldwin families of Kinderhook, Columbia County; Oswego, Oswego County; and Palatine Bridge, Montgomery County, N.Y. It includes family correspondence, diaries, farm and legal documents, letter books, daguerreotypes, photograph albums, historical manuscripts of Samuel Frey Ludlow, and a eulogy and picture of Fitz Hugh Ludlow.