北齐书

History of Qi of the Northern Dynasties, eleventh of the 24 dynastic histories 二十四史[Er4 shi2 si4 Shi3], compiled by Li Baiyao 李百藥|李百药[Li3 Bai3 yao4] in 636 during Tang Dynasty, 50 scrolls

north / (classical) to be defeated

Qi of the Northern Dynasties (550-557)

(name of states and dynasties at several different periods) / surname Qi

neat / even / level with / identical / simultaneous / all together / to even sth out

History of Qi of the Southern Dynasties, seventh of the 24 dynastic histories 二十四史[Er4 shi2 si4 Shi3], compiled by Xiao Zixian 蕭子顯|萧子显[Xiao1 Zi3 xian3] in 537 during Liang of the Southern Dynasties 南朝梁[Nan2 chao2 Liang2], 59 scrolls / usually 南齊書|南齐书[Nan2 Qi2 shu1] to distinguish from Northern Qi

abbr. for 書經|书经[Shu1 jing1]

book / letter / document / CL:本[ben3],冊|册[ce4],部[bu4] / to write