Columbia subject headings:
Harvard subject headings:
Book industries and trade--Germany--History--18th century--Sources.
Books and reading--Germany--History--18th century--Sources.
Booksellers and bookselling--Germany--History--18th century--Sources.
Princeton subject headings:
Book industries and trade--Germany--History--18th century--Sources.
Books and reading--Germany--History--18th century--Sources.
Booksellers and bookselling--Germany--History--18th century--Sources.