Columbia subject headings:
Harvard subject headings:
Cancer--Research--Germany--History--20th century.
Cancer--Research--Germany--History--21st century.
Deutsche Krebsgesellschaft--History.
Deutsche Krebsgesellschaft.
Oncology--Germany--History--20th century.
Oncology--Germany--History--21st century.
Princeton subject headings:
Cancer--Germany--History.
Deutsche Krebsgesellschaft--History.