Columbia subject headings:
Art publishing--Europe--History--Congresses.
Prints--Europe--History--Congresses.
Prints--Publishing--Europe--Congresses.
Harvard subject headings:
Art publishing--Europe--History--Congresses.
Illustration of books--Europe--History--Congresses.
Prints--Europe--History--Congresses.
Prints--Publishing--Europe--History--Congresses.
Publishers and publishing--Europe--History--Congresses.
Princeton subject headings:
Art publishing--Europe--History--Congresses.
Illustration of books--Europe--History--Congresses.
Prints--Europe--History--Congresses.
Prints--Publishing--Europe--History--Congresses.
Publishers and publishing--Europe--History--Congresses.