《旧唐书·列传·卷十三》
又赐给王褒书写的《大品般若经》一部，同时赐给袈裟，作为讲述佛经的服装。
又赐王褒所书《大品般若经》一部，并赐袈裟，以充讲诵之服焉。
Wang Bao was also given a book of "Maha Prajna Paramita Sutra", together with a cassock, as a garment for narrating Buddhist scriptures.