Columbia subject headings:
Nietzsche, Friedrich Wilhelm, 1844-1900--Homes and haunts--Switzerland--Basel.
Harvard subject headings:
Nietzsche, Friedrich Wilhelm, 1844-1900--Homes and haunts--Switzerland--Basel.
Princeton subject headings:
Basel (Switzerland)--Intellectual life--19th century.
Nietzsche, Friedrich Wilhelm, 1844-1900--Friends and associates.
Nietzsche, Friedrich Wilhelm, 1844-1900--Homes and haunts--Switzerland--Basel.