Columbia subject headings:
Antiquarian booksellers--Periodicals.
Book collecting--Periodicals.
Booksellers and bookselling--Periodicals.
Harvard subject headings:
Antiquarian booksellers--Periodicals.
Book collecting--Periodicals.
Booksellers and bookselling--Periodicals.
Princeton subject headings:
Book collecting--Periodicals.
Booksellers and bookselling--Periodicals.
Periodicals.