Columbia subject headings:
Harvard subject headings:
Animal industry--Germany--Regensburg--History.
Cattle trade--Germany--Regensburg--History.
Cattle--Germany--Regensburg--Marketing--History.
Ox industry--Germany--Regensburg--History.
Princeton subject headings:
Animal industry--Germany--Regensburg--History.
Cattle trade--Germany--Regensburg--History.
Cattle--Germany--Regensburg--Marketing--History.
Ox industry--Germany--Regensburg--History.