His work extends over 130 chapters — not in historical sequence, but divided into particular subjects, including annals, chronicles, and treatises — on music, ceremonies, calendars, religion, economics, and extended biographies.
Il suo lavoro si sviluppo in 130 capitoli - non in successione storica, ma divisi in soggetti particolari, che includono gli annali, le cronache e i trattati - sulla musica, cerimonie, calendari, religione, economia, e biografie esterne.