Columbia subject headings:
Booksellers and bookselling--History--Congresses.
Booksellers' catalogs--History--Congresses.
Harvard subject headings:
Booksellers and bookselling--France--History--Congresses.
Booksellers and bookselling--History--Congresses.
Booksellers' catalogs--France--History--Congresses.
Booksellers' catalogs--History--Congresses.
Princeton subject headings:
Booksellers and bookselling--France--History--Congresses.
Booksellers' catalogs--France--History--Congresses.