Columbia subject headings:
Booksellers and bookselling--Germany--Periodicals.
German literature--Bibliography--Periodicals.
Harvard subject headings:
Booksellers and bookselling--Germany--Periodicals.
German literature--Bibliography--Periodicals
Princeton subject headings:
Booksellers and bookselling--Germany--Periodicals.
German literature--Bibliography--Periodicals.
Periodicals.
Publishers and publishing--Germany--Periodicals.