Sichuan tong zhi (四川通志); 15

Yang, Fangcan, Qing (楊芳燦)

Rekijitsu hoshi akari (暦日星明)

Yoshikawa Takahiro (吉川崇広)

Sichuan tong zhi (四川通志); 7

Yang, Fangcan, Qing (楊芳燦)

Li dai yan ge biao (歷代沿革表)

Duan, Changji, fl. 1800 (段長基, fl. 1800)

Sichuan tong zhi (四川通志); 11

Yang, Fangcan, Qing (楊芳燦)

Sichuan tong zhi (四川通志); 16

Yang, Fangcan, Qing (楊芳燦)

Jigo-shū (自娛集)

Kaibara, Ekiken (貝原益軒)

Sichuan tong zhi (四川通志); 1

Yang, Fangcan, Qing (楊芳燦)