Columbia subject headings:
Bibliography--Congresses.
Book auctions--History--Sources--Congresses.
Book industries and trade--History--Sources--Congresses.
Books--History--Sources--Congresses.
Booksellers' catalogs--History--Congresses.
Libraries--History--Sources--Congresses.
Library catalogs--History--Congresses.
Harvard subject headings:
Bibliography--Congresses.
Book auctions--History--Sources--Congresses.
Book industries and trade--History--Sources--Congresses.
Books--History--Sources--Congresses.
Booksellers' catalogs--History--Congresses.
Libraries--History--Sources--Congresses.
Library catalogs--History--Congresses.
Princeton subject headings:
Bibliography--Congresses.
Book auctions--History--Sources--Congresses.
Book industries and trade--History--Sources--Congresses.
Books--History--Sources--Congresses.
Booksellers' catalogs--History--Congresses.
Libraries--History--Sources--Congresses.
Library catalogs--History--Congresses.