Moreover, at one time the three books of Baekje (百済三書) were regarded to be edited in Baekje during the era of King Widok in the latter part of the sixth century in order to submit to the king of Wa (Japan) from necessity for diplomatic policy against Wakoku.
また、かつて百済三書は六世紀後半の威徳王の時代に対倭国政策の必要から倭王に提出するために百済で編纂されたと見られていた。