Columbia subject headings:
Authors, German--20th century--Biography.
Radecki, Sigismund von, 1891-1970.
Harvard subject headings:
Authors, German--20th century--Biography
Radecki, Sigismund von, 1891-1970.
Princeton subject headings:
Authors, German--20th century--Biography.
Radecki, Sigismund von, 1891-1970.