Volumes 1-5 contain the Wei annals including the Eastern Wei and Western Wei emperors. Volumes 6-8 contain the annals of the Northern Qi emperors, volumes 9-10 contain the annals of the Northern Zhou emperors, and volumes 11-12 contain the annals of the Sui emperors. Volumes 13-14 contain the biographies of empresses and consorts. Volumes 15-19 contain biographies of the imperial families of the Wei dynasties and volumes 20-50 contain the other Wei biographies. Volumes 51-79 contain biographies of figures from the Northern Qi (51-56), Northern Zhou (59-70), and Sui (71-79) dynasties. Volumes 80 through 100 contain other biographical content, including families of imperial consorts (80), Confucian scholars (81-82), literature (83), filial acts (84), recluses (75-76), exemplars of the loyal and righteous (85), virtuous officials (86), cruel officials (87), recluses (88), divination (89-90), exemplary women (91), favorites of nobles (92), foreign states and peoples (93-99), and a preface to the biographies (100). 
David, Graff (2015). "Bei shi 北史". In Dien, Albert E; Chennault, Cynthia Louise; Knapp, Keith Nathaniel; Berkowitz, Alan J. Early Medieval Chinese Texts: A Bibliographical Guide. Berkeley: Institute of East Asian Studies University of California. pp. 18–23.
Wu, Huaiqi; Zhen, Chi (2018). An Historical Sketch of Chinese Historiography (e-book ed.). Berlin: Springer.