《元史·列传·卷九十五》
十九年正月，贝春以倭寇骚扰沿海郡邑，动辄房屋被烧，子女被掳掠。请调动里帖木儿麾下蒙古兵五百人戍守金州，帝允准。
十九年正月，賰以日本寇其边海郡邑，烧居室掠子女而去，请发阇里帖木儿麾下蒙古军五百人戍金州，又从之。
In January of the nineteenth year, Bei Chun said that Japanese pirates harassed coastal counties and cities, and houses were often burned down and children were kidnapped. He requested that 500 Mongolian soldiers under Li Tiemuer be transferred to Jinzhou, and the emperor approved.