Yumen xian zhi
Edition: Tai 1st ed.
Series: Zhongguo fang zhi cong shu, Hua bei di fang, 339
Publisher: Cheng wen chu ban she
Published: 1970
Place of publication: Taibei
Language: chi
Number of pages: 30
Subjects: Yü-men, China (District, Gansu Sheng) -- History