Columbia subject headings:
Lake States Region--Archival resources.
Lake States Region--History--Sources.
Middle West--Archival resources.
Middle West--History--Sources.
Public records--Lake States.
Public records--Middle West.
United States. National Archives and Records Administration. Great Lakes Region.
Harvard subject headings:
Lake States--Archival resources.
Lake States--History--Sources--Bibliography--Catalogs.
Middle West--Archival resources.
Middle West--History--Sources--Bibliography--Catalogs.
Public records--Lake States.
Public records--Middle West.
United States. National Archives and Records Administration. Great Lakes Region--Catalogs.
Princeton subject headings:
Catalogs.
Great Lakes Region (North America)--History--Sources--Bibliography--Catalogs.
Lake States--History--Sources--Bibliography--Catalogs.
Middle West--History--Sources--Bibliography--Catalogs.
United States. National Archives and Records Administration. Great Lakes Region--Catalogs.