《梁书·列传·卷五十六》
侯景派遣军人在殿省内值班，高祖问制局监周石珍道： 是什么人派来的? 
景遣军人直殿省内，高祖问制局监周石珍曰： 是何物人？ 
Hou Jing sent soldiers to serve in the palace, and Emperor Gaozu asked Zhou Shizhen, the supervisor of the Ministry of Rites: who sent them?