Columbia subject headings:
Diederichs, Eugen, 1867-1930--Bibliography.
Publishers and publishing--Germany--Bibliography.
Harvard subject headings:
Diederichs, Eugen, 1867-1930--Bibliography.
Diederichs, Eugen, 1867-1930.
Eugen Diederichs Verlag--Bibliography.
Eugen Diederichs Verlag--History.
Publishers and publishing--Germany--Bibliography.
Publishers and publishing--Germany--Biography
Publishers and publishing--Germany--History--19th century.
Publishers and publishing--Germany--History--20th century
Princeton subject headings:
Diederichs, Eugen, 1867-1930--Bibliography.
Publishers and publishing--Germany--Bibliography.