1. 1
    Fang yan jiao jian : [13 juan, fu Tong jian] /
    方言校箋 : [13卷, 附通檢] /
    by Zhou, Zumo
    Published 1972
    Book
  2. 2
    Yang Xiong "Fang yan" yu fang yan di li xue yan jiu /
    揚雄《方言》與方言地理學硏究 /
    by Li, Shuhao
    Published 2003
    Book