Columbia subject headings:
Harvard subject headings:
Book collecting--Germany--Westphalia--Exhibitions.
Book industries and trade--Germany--Westphalia--History--Exhibitions.
Books--Germany--Westphalia--Exhibitions.
German imprints--Germany--Westphalia--Exhibitions.
German literature--Germany--Westphalia--Exhibitions.
Princeton subject headings:
Book collecting--Germany--Westphalia--Exhibitions.
Book industries and trade--Germany--Westphalia--History--Exhibitions.
Books--Germany--Westphalia--Exhibitions.
German imprints--Germany--Westphalia--Exhibitions.
German literature--Germany--Westphalia--Exhibitions.