Materials used in researching historic areas of St. Mary's. Includes office files of St. Mary's Townlands and the county; tract, lot, and house files; assessments; deed files; tract maps; abstracts of wills, inventories, accounts, patents, and rent rolls; biographies; economic data and demography files; and miscellaneous files. Some records are on computer cards. Arranged by subject. Series not fully processed. A more complete listing of subjects is available. Women's Career File moved to SC 4040. Men's Career File moved to SC 5094.