Columbia subject headings:
Middle Atlantic States--Archival resources.
Middle Atlantic States--History--Sources.
Public records--Middle Atlantic States.
Public records--South Atlantic States.
South Atlantic States--Archival resources.
South Atlantic States--History--Sources.
United States. National Archives and Records Administration. National Archives at Philadelphia.
Harvard subject headings:
Middle Atlantic States--Archival resources.
Middle Atlantic States--History--Sources--Bibliography--Catalogs.
Public records--Middle Atlantic States.
United States. National Archives and Records Administration. National Archives at Philadelphia--Catalogs.
Princeton subject headings:
Catalogs.
Middle Atlantic States--History--Sources--Bibliography--Catalogs.
Public records--Middle Atlantic States--Bibliography--Catalogs.
United States. National Archives and Records Administration. National Archives at Philadelphia--Catalogs.