Columbia subject headings:
Authors and publishers--Germany--Biography.
Authors and publishers--Germany--Correspondence.
Karl-May-Verlag Joachim Schmid & Co.--History.
May, Karl, 1842-1912. Winnetou.
Harvard subject headings:
Princeton subject headings:
Indians of North America.
Karl-May-Verlag Joachim Schmid & Co.--Biography.
May, Karl, 1842-1912.
Personal correspondence.
Stütz, Adalbert, 1878-1957.