Columbia subject headings:
Library catalogs.
Subscription libraries--Massachusetts--Boston--Catalogs.
Union Circulating Library (Boston, Mass.)--Catalogs.
Harvard subject headings:
Subscription libraries--Massachusetts--Boston.
Union Circulating Library (Boston, Mass.)
Princeton subject headings:
Library catalogs.
Subscription libraries--Massachusetts--Boston--Catalogs.
Union Circulating Library (Boston, Mass.)--Catalogs.