Columbia subject headings:
Archives--New York (State)--New York County--Catalogs.
Manuscripts, American--New York (State)--New York County--Catalogs.
New York County (N.Y.)--History--Manuscripts--Catalogs.
New York County (N.Y.)--History--Sources--Bibliography--Catalogs.
Harvard subject headings:
Princeton subject headings:
Archives--New York (State)--New York.
Manhattan (New York, N.Y.)--History--Sources--Bibliography.
New York (N.Y.)--History--Sources--Bibliography.