Columbia subject headings:
Nietzsche, Friedrich Wilhelm, 1844-1900.
Ortlepp, Ernst, 1800-1864--Influence.
Harvard subject headings:
Nietzsche, Friedrich Wilhelm, 1844-1900
Ortlepp, Ernst, 1800-1864--Influence.
Princeton subject headings:
Nietzsche, Friedrich Wilhelm, 1844-1900.
Ortlepp, Ernst, 1800-1864--Influence.