Nán Qí shū
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
Běi Qí shū
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
Qí shū
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