《资治通鉴·后唐纪·后唐纪五》
天成三年春季正月，丁巳，吴主立他的儿子杨琏为江都王，杨为江夏王，杨为宜春王，宣帝的儿子庐陵公杨玢为南阳王。
明宗圣德和武钦孝皇帝中之上天成三年春，正月，丁巳，吴主立子琏为江都王，璘为江夏王，璆为宜春王，宣帝子庐陵公玢为南阳王。
In the first month of spring of the third year of Tiancheng, on Ding Si day, the Wu emperor established his son Yang Lian as the king of Jiangdu, Yang Pu as the king of Jiangxia, and Yang Xun as the king of Yichun. The Xuan emperor's son, the duke of Luling, Yang Bin, was established as the king of Nanyang.