Columbia subject headings:
Book collecting--United States.
Booksellers and bookselling--United States.
Libraries--United States.
Printing--United States--History.
Publishers and publishing--United States.
Harvard subject headings:
Book collecting--United States.
Booksellers and bookselling--United States
Libraries--United States
Printing--United States--History
Publishers and publishing--United States.
Princeton subject headings:
Book collectors--United States.
Booksellers and bookselling--United States.
Libraries--United States.
Printing--United States--History.
Publishers and publishing--United States.