Baejayebuunryak (1460)Woodblocks for Baejayebuunryak. This is a dictionary that the Joseon literati class used to look up words when composing poems or "bu" (賦), a form of poetry. Since the dictionary was chiefly used by those who studied classics to pass the state exam, it contains the word “yebu,” referring to the government department in charge of administering the public exam.