《资治通鉴·汉纪·汉纪六》
当初，张释之跟随文帝，来到禁苑中养虎的虎圈，文帝向上林尉询问禁苑中所饲养的各种禽兽的登记数目，先后问了十多种，上林尉仓惶失措，左右观望，全都答不上来。
释之从行，登虎圈，上问上林尉诸禽兽簿。十馀问，尉左右视，尽不能对。
In the beginning, Zhang Shishi followed Emperor Wen to the tiger pen in the restricted park to feed the tigers. Emperor Wen asked the captain of Shanglin Wei about the numbers of all kinds of birds and beasts fed in the restricted park, and he asked about more than ten kinds. The captain of Shanglin Wei was flustered and looked around, unable to answer.