Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Biography
Insel-Verlag.
Kippenberg, Katharina, 1876-1947.
Publishers and publishing--Germany--Biography
Princeton subject headings:
Authors, German--Biography.
Insel-Verlag--History.
Kippenberg, Anton, 1874-1950.
Kippenberg, Katharina, 1876-1947--Friends and associates.
Kippenberg, Katharina, 1876-1947.
Publishers--Germany--Biography.