正统书 (正統書) zhèngtǒng shū

zhèngtǒng shū proper noun Documents on Legitimate Succession
Domain: History 历史 , Subdomain: China , Concept: Book Title 书名
Notes: Title of a book written by Yuan dynasty scholar 袁桷 Yang Huan 1186-1255 on the subject of legitimacy of Chinese dynasties (Chan 2014, p. 71; Wikipedia '正統書')