Title: Xian Qin liang Han nong ye yu xiang cun ju luo de kao gu xue yan jiu
Subjects: Agriculture, History, Agricultural implements, Antiquities, Han Dynasty (China), Qin Dynasty (China)
Places: China
Time periods: To 221 B.C., Qin dynasty, 221-207 B.C., Han dynasty, 202 B.C.-220 A.D.