Books on Korean grammar
- Jae Jung Song, The Korean language 2006
- Martin S.E., A Reference Grammar of Korean 1992
- The Languages of Japan and Korea
- Ki-Moon Lee Geschichte der koreanischen Sprache
- Ki-Moon Lee, S. Robert Ramsey, A history of the Korean language 2011
- Ramstedt G.J. A Korean Grammar Helsinki, 1997
- Мазур. Ю.Н. Грамматический очерк корейского языка
- Рамстедт Г.Й. Грамматика корейского языка (Русское издание, Москва, 1951)
Papers on Korean grammar
Koguryo language
- Beckwith Cristopher. Koguryo, the language of Japan's Continental relatives Brill, 2004
- Beckwith Cristopher. The Ethnolinguistic history of the Early Korean Peninsula Region: Japanese-Koguryoic and other languages in the Koguryo, Paekche and Silla kingdoms // Journal of Inner and East Asian Studies, v2№2 2005, pp. 34-64
- Beckwith Cristopher, Ancient Koguryo,˙ Old Koguryo,˙ and the Relationship of Japanese to Korean
- Janhunen The Lost Languages of Koguryo 2005
External connections of Korean
- Alexander Takenobu Francis-Ratte, Proto-Korean-Japanese: A New Reconstruction of the Common Origin of the Japanese and Korean Languages 2016
- Juha Janhunen, Kho Songmoo, Is Korean related to Tungusic Seoul, 1982
- Janhunen Juha, The Convergence and Divergence of Korean and Japanese 1999
- Ki-Moon Lee, A comparative study of Manchu and Korean
- Menges Karl, Korean and Altaic a preliminary sketch // Central Asiatic Journal, 28, 1984
- Miller R.A., Old Korean and Altaic 1979
- Ramstedt G.J. Uber die Stellung des Koreanischen 1939 (1951)