Columbia subject headings:
Publishers and publishing--Germany--History--20th century.
Publishers and publishing--Germany--History--21st century.
Rowohlt (Firm)--Centennial celebrations, etc.
Rowohlt (Firm)--History.
Harvard subject headings:
Publishers and publishing--Germany--History--20th century
Publishers and publishing--Germany--History--21st century.
Rowohlt (Firm)--Centennial celebrations, etc.
Rowohlt (Firm)--History.
Princeton subject headings: