The imperial decrees written by Zhang-jiuling in "The songs gathered at Qujian" recorded both the history of the infringement on four towns by Tuqishi Sulu in the year of Kaiyuan 22 to 24 and the country s strategy of "far-off relations and close hostilities",which has such important historical value as to replenish the record scarce of Jiu Tang Shu,Xin Tang Shu,and Zi Zhi Tong Jian.

The srticle has analyzed the spirit of scholars in the Eastern Han Dynasty based on their posthumous writings and exhortations.

Advantages and Disadvantages of Collected Commentaries on Su Shi s Poems Written by Wang Wen-gao;