Columbia subject headings:
Harvard subject headings:
Basel (Switzerland)--History--Sources.
Basel-Landschaft (Switzerland : Canton)--Biography.
Basel-Stadt (Switzerland)--Biography.
Celebrities--Switzerland--Basel-Landschaft (Canton)--Biography.
Celebrities--Switzerland--Basel-Stadt--Biography.
Princeton subject headings:
Basel-Landschaft (Switzerland : Canton)--Biography.
Basel-Stadt (Switzerland)--Biography.