《资治通鉴·宋纪·宋纪六》
秋季，七月，癸丑，刘宋文帝下诏，任命杨文德为都督北秦、雍二州诸军事，征西大将军，北秦州刺史，武都王。
秋，七月，癸丑，诏以文德为都督北秦、雍二州诸军事、征西大将军、北秦州刺史、武都王。
In autumn, in July, on Guichou day, Liu Song Emperor issued an edict appointing Yang Wende as the metropolitan governor of the military forces of Beiqin and Yong states, General Conquering the West, governor of Beiqin State, and King of Wudou.