Emperor Wu, 'the martial emperor', was a posthumous title for many founders and conquerors, so the chapter is named together with its book: the
汉书 for
汉武帝, the
晋书 for
司马炎, the
梁书 for
萧衍 and the
三国志 for
曹操. The annals of Emperor Guangwu in the
后汉书 have a title of their own,
光武帝纪.
