《资治通鉴·晋纪·晋纪二十五》
前秦太史令张孟对前秦王苻坚进言说： 尾宿、箕宿，是燕国的分野；东井，是秦国的分野。
秦太史令张孟言于秦王坚曰： 尾、箕，燕分；东井，秦分也。
Zhang Meng, the grand historian of the Former Qin, advised Fu Jian, the king of the Former Qin: Wei Su and Ji Su are the field stars of Yan; Dong Jing is the field stars of Qin.