Columbia subject headings:
Authors and publishers--Germany--History.
Karl-May-Verlag Joachim Schmid & Co.--History.
Literature publishing--Germany--History.
May, Karl, 1842-1912.
Schmid, E. A.
Harvard subject headings:
Authors and publishers--Germany--History.
Karl-May-Verlag Joachim Schmid & Co.--History.
Literature publishing--Germany--History.
May, Karl, 1842-1912
Princeton subject headings:
May, Karl, 1842-1912--Criticism and interpretation.