《太平广记·卷二百四十四·褊急》
席间，杜佑将杨茂卿给他的信，递予刘禹锡说：请文人拜读一下。
佑持茂卿书与禹锡曰：请文人一为读之。
During the banquet, Du You passed on the letter that Yang Maoking had written to him to Liu Yuxi and said: "Please let this scholar take a look at it.