Title: Shiki sengoku shiryō no kenkyū
First published: 1997
Subjects: History
Places: China
People: Chʻien Ssu-ma (ca. 145-ca. 86 B.C), Qian Sima (ca. 145-ca. 86 B.C)
Time periods: Chʻin dynasty, 221-207 B.C., Warring states, 403-221 B.C., Han dynasty, 202 B.C.-220 A.D., To 221 B.C.