Columbia subject headings:
Publishers and publishing--Germany--Frankfurt am Main--History--20th century.
Suhrkamp Verlag--History.
Harvard subject headings:
Literature publishing--Germany--History--20th century.
Publishers and publishing--Germany--History--20th century
Suhrkamp Verlag--History.
Princeton subject headings:
Publishers and publishing--Germany--Frankfurt am Main--History--20th century.
Suhrkamp Verlag--History.