鄭板橋四子書真蹟
By: Zheng Xie shu
Publisher: Zuo xin yin shua ju
Published: 1915
Place of publication: Fengtian
Language: chi
Other titles: Zheng Banqiao si zi shu zhen ji
Work titles: Si shu
Notes: Ke luo ying ben.

Facsimile reproduction of Bu mi shan fang xie ben.