A nineteenth-century ledger illustrating the transactions of a combined mercantile and medical practice in Cumberland County (Pa.). The most of the ledger deals with costs of medical services and the mercantile goods available to the farming residents.

Personal papers of William L. Estes, Jr., M.D. Includes diary of his experiences as Army surgeon in World War I, and papers relating to his subsequent medical career in Bethlehem, Pa., and his civic activities in that city.