Columbia subject headings:
Harvard subject headings:
Veterinary medicine--China--Early works to 1800.
Yu, Benyuan, active 16th century. Yuan Heng liao ma ji.
Princeton subject headings:
Camels--China--Diseases.
Cows--China--Diseases.
Horses--China--Diseases.
Yu, Benyuan, active 16th century. Yuan Heng liao ma ji.