《战国策·楚一·威王问于莫敖子华》
相形之下，蒙穀立了大功，等于使楚国得以保全。于是，楚王封他为执纒，给他封地六百畛。
此蒙谷之功，多与存国相若，封之执圭，田六百畛。
In comparison, Menggu had made great contributions, which was equivalent to preserving the state of Chu. So the King of Chu conferred him the title of Zhituan and 600 mu of land.