《资治通鉴·陈纪·陈纪十》
到了隋军进至长江北岸，江南地区也突然出现了大批间谍探子以后，袁宪等人又多次上奏请求。
及隋军临江，间谍骤至，宪等殷勤奏请，至于再三。
When the Sui army advanced north of the Yangtze River, and a large number of spies and scouts suddenly appeared in the Jiangnan region, Yuan Xian and the others repeatedly asked the emperor to grant their request. 