What are the poems about the frontier fortress?

Out of the jam (13 songs) _ Ancient Poetry Network "Two Chusais, Part One"-Wang Changling-Two Chusais in Tang Dynasty-Wang Changling-Chusais in Tang Dynasty-Xu Xilin-Chusais in Qing Dynasty-Yang Jiong-Chusais in Tang Dynasty-Huangfu Ran-Chusais in Tang Dynasty-Yu Shinan-Chusais in Yu Guan Qiu Jin Yan in Tang Dynasty. -Wu Weiye-The Seizure in Qing Dynasty-Zhang Yizhi-The Seizure in Tang Dynasty-Yu Gu-The Seizure in Tang Dynasty-Zheng Xi-Tang Dynasty