“The Archival Research Catalog (ARC) is the online catalog of NARA’s nationwide holdings in the Washington, DC, area; Regional Archives; and Presidential Libraries. ARC is a work in progress; currently over 56% of our records are described in ARC at the series level.

ARC contains many descriptions of records of interest to genealogists and family historians, including:

• applications for enrollment in Native American tribes
• court records
• fugitive slave cases
• land records
• military personnel records
• naturalization records