Columbia subject headings:
Authors and publishers.
Book industries and trade--United States.
Books and reading.
Booksellers and bookselling--United States.
Publishers and publishing--United States.
Harvard subject headings:
Authors and publishers.
Book industries and trade--United States
Books and reading.
Booksellers and bookselling--United States
Publishers and publishing--United States.
Princeton subject headings:
Authors and publishers.
Book industries and trade--United States.
Books and reading.
Booksellers and bookselling--United States.
Publishers and publishing--United States.