《辽史·列传·卷十》
圣宗到云中游猎，节度使奏称： 臣辖区内没有什么特产，只有幕僚张俭，为一代之宝物，希望能将他献上。 
圣宗猎云中，节度使进曰： 臣境无他产，惟幕僚张俭，一代之宝，愿以为献。 
Emperor Shengzong went hunting in Yunzhong and the regional military commander reported: “There is no local speciality in my territory; only my staff officer, Zhang Jian, is a rare treasure, and I wish to present him to you.”