Columbia subject headings:
Booksellers and bookselling--United States.
Booksellers' catalogs--United States--Bibliography.
Publishers and publishing--United States.
United States--Imprints.
Harvard subject headings:
Booksellers and bookselling--United States
Booksellers and bookselling--United States--History--19th century.
Booksellers' catalogs--United States--Bibliography.
Publishers and publishing--United States--History--19th century.
Publishers and publishing--United States.
United States--Imprints
United States--Imprints--Bibliography.
United States--Imprints--History--19th century.
Princeton subject headings: