- Book of Han. The Book of Han (Hàn shū|漢書) online; online
- Book of Northern Qi. The Book of Northern Qi (Běi Qí shū|北齊書) online; online
- Book of Sui. The Book of Sui (Suí shū|隋書) online; online
- Book of the Later Han. The Book of the Later Han (Hòu Hàn shū|後漢書) online; online
- Gardiner (1969). Gardiner, Kenneth H.J. The Early History of Korea: The Historical Development of the Peninsula up to the Introduction of Buddhism in the Fourth Century A.D. Honolulu: University of Hawaii Press, 1969. online
- Gardiner (2012). Gardiner, Kenneth H.J. "An Introductory Study of the “Annals of Koguryŏ” in the Samguk Sagi," The Review of Korean Studies 15, No. 1 (2012): 15-58.
- Lee-Ramsey (2011). Lee, Kee-Moon; Ramsey, S. Robert. A History of the Korean Language. Cambridge University Press, 2011. online
- History of the Northern Dynasties. The History of the Northern Dynasties (Běi shǐ|北史) online; online
- Nihon Shoki. Chronicles of Japan (Nihon Shoki|日本書紀) online; online; online
- New Book of Tang. The New Book of Tang (Xīn Táng shū|新唐書) online; online
- No (2014). No Taedon; Huston, John (tr.) Korea's Ancient Koguryŏ Kingdom: A Socio-Political History. Leiden/Boston: Brill, 2014.
- Old Book of Tang. The Old Book of Tang (Jiù Táng shū|舊唐書) online; online
- Qian (2018). Qian, Youyong. A Study of Sino-Korean Phonology: Its Origin, Adaptation and Layers (Routledge Studies in Chinese Linguistics). New York: Routledge/Taylor & Francis Group, 2018.
- Samguk Sagi. Histories of the Three Kingdoms (Samguk Sagi|三國史記|삼국사기) online; online
- Samguk Sagi (English translation). Shultz, Edward J.; Kang, Hugh H.W. (ed.) The Koguryŏ Annals of the Samguk Sagi: Second Edition. Academy of Korean Studies Press, 2011.
- Samguk Sagi (Russian translation). Pak, M.N. (Пак, М.Н.) (ed.) Samguk sagi: Letopisi Kogurjo, Letopisi Pèkče, hronologičeskie tablicy (Самгук саги. Летописи Когурё. Летописи Пэкче. Хронологические таблицы). Moscow: Vostočnaja literatura, 1995. online
- Vovin (2005). Vovin, Alexander. "Koguryŏ and Paekche: Different Languages or Dialects of Old Korean?" Journal of Inner and East Asian Studies 2/2 (2005): 108-140. online
- Vovin (2007). Vovin, Alexander. "Once Again on the Etymology of the Title qaγan." Studia Etymologica Cracoviensia 12 (2007): 177-187. online
- Zīzhì Tòngjiàn. Comprehensive Mirror in Aid of Governance (Zīzhì tōngjiàn|資治通鑑) online
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