Correspondence, photographs, genealogical and biographical material relating to Thomas Crawford Alexander and to the Alexander and Lumpkin families, presumably amassed by John S. Mayfield, a relative. Other surnames in the collection include Hale, Bain, Trulove, Pickett, Chamberlain and Robertson.

Collection of material about Owen Mayfield, Mayor of Cambridge; built around a farthing token struck by him in 1658, probably for use in his tavern.