Columbia subject headings:
Authors and publishers--Massachusetts--Boston.
Booksellers and bookselling--Massachusetts--Boston.
Ticknor and Fields.
Harvard subject headings:
Literature publishing--Massachusetts--Boston--History--19th century.
Ticknor and Fields--History--19th century.
Princeton subject headings:
Literature publishing--Massachusetts--Boston--History--19th century.
Ticknor and Fields--History--19th century.