《资治通鉴·隋纪·隋纪七》
凡所缴获的军资财物，都用来赏赐军队，将士有战死的，杜伏威就用死者的妾殉葬。
所获资财，皆以赏军。士有战死者，以妻、妾徇葬。
All the captured military supplies were used to reward the army, and if any soldiers were killed in battle, Du Fuwei would have their concubines buried with them.