Laozi xin zheng
By: Yu Shengwu
Series: Wu qiu bei zhai Laozi ji cheng xu bian -- no. 111; Wu qiu bei zhai Laozi ji cheng xu bian -- no. 111.
Publisher: Yi wen yin shu guan
Published: 1970
Place of publication: Taibei
Language: chi
Number of pages: 19