Title: Yan zhao ren kou kan cha zhi : Hebei Sheng di san ci ren kou pu cha she ying ji jin /
Authors: Hebei Sheng di san ci ren kou pu cha ling dao xiao zu ban gong shi.
Publisher: Hebei Sheng di san ci ren kou pu cha ling dao xiao zu ban gong shi],
Year: 1984
Subjects: Hebei Sheng (China) History.