Columbia subject headings:
Harvard subject headings:
Astronomy--China.
Sima, Qian, approximately 145 B.C.-approximately 86 B.C.
Princeton subject headings:
Astronomy--China.
Sima, Qian, approximately 145 B.C.-approximately 86 B.C. Shi ji.
Sima, Qian, approximately 145 B.C.-approximately 86 B.C.--Views on astronomy.