The chief interest in this work rests with the naturalizations in Part III, which were compiled from Maryland's Provincial Court documents in the Hall of Records, Annapolis, Between 1742 and 1775 upwards of 1,000 naturalizations were granted in Maryland. Data in the naturalization records presented here includes the identifying number of the record, date of naturalization, date of communion, volume and page of the Provincial Court Judgments, name, county or town of residence, nationality, church membership, location of church, and witnesses to communion. Place names, clergy, and parish locations are identified in the appendix.

State by state, county by county, city by city, the Guide to Naturalization Records identifies all repositories of naturalization records, systematically indicating the types of records held, their dates of coverage, and the location of original and microfilm records. The Guide also pinpoints the whereabouts of federal court records in all National Archives facilities, and identifies every single piece of information on naturalizations that is available on microfilm through the National Archives or the Family History Library System, including the call numbers used by each institution.