Columbia subject headings:
Harvard subject headings:
Alternative lifestyles--Germany--History.
Animal products--Germany--History.
Food habits--Germany--History.
Natural products--Germany--History.
Veganism--Germany--History.
Vegans--Germany--History.
Princeton subject headings:
Alternative lifestyles--Germany--History.
Animal products--Germany--History.
Food habits--Germany--History.
Natural products--Germany--History.
Veganism--Germany--History.
Vegans--Germany--History.