Columbia subject headings:
Harvard subject headings:
Doping in sports--Germany--History.
Exercise--Germany--Physiological aspects--History.
Physical education and training--Germany--History.
Physical fitness--Germany--Testing--History.
Professional sports--Germany--History.
Princeton subject headings:
Doping in sports--Germany--History.
Exercise--Germany--Physiological aspects--History.
Physical education and training--Germany--History.
Physical fitness--Germany--Testing--History.
Professional sports--Germany--History.