《新唐书·列传·卷一百一十》
张格跪拜后离去了，叶彦率二十名士兵送他，顺汉水上游到了蜀地，后来在王建手下当官。
格拜而辞，彦率士三十人送之，溯汉入蜀，后事王建。
Zhang Ge knelt down and left, and Ye Yan led twenty soldiers to escort him. He sailed upstream along the Han River to the land of Shu, and later served under Wang Jian.