牛耕之起源
By: Qi Sihe zhu
Publisher: Da ren xue yuan jing ji yan jiu suo
Published: 1941
Place of publication: Tianjin
Language: chi
Number of pages: 16
Subjects: Cattle
Other titles: Niu geng zhi qi yuan
Notes: Jing ji yan jiu ji bao di 1 juan di 1 qi chou yin ben.