Columbia subject headings:
Book industries and trade--Europe--History--Congresses.
Illustration of books--Europe--18th century--Congresses.
Publishers and publishing--Europe--History--Congresses.
Harvard subject headings:
Book industries and trade--Europe--History--Congresses.
Books--Europe--History--18th century--Congresses.
Illustration of books--18th century--Europe--Congresses.
Publishers and publishing--Europe--History--Congresses.
Princeton subject headings:
Books and reading--Europe--History--18th century--Congresses.
Illustration of books--18th century--Europe--Congresses.
Printing--Europe--History--18th century--Congresses.