Columbia subject headings:
Canada--History--Bibliography.
United States--History, Local--Bibliography.
United States--History--Bibliography.
United States--History--Societies, etc.
Harvard subject headings:
Canada--History, Local--Bibliography.
Canada--History--Bibliography.
Canada--History--Societies, etc.
United States--History, Local--Bibliography.
United States--History--Bibliography.
United States--History--Societies, etc.
Princeton subject headings:
Canada--History--Bibliography.
United States--History, Local--Bibliography.
United States--History--Bibliography.
United States--History--Societies, etc.