1. Shōtenka no hoppō mondai / Tōa Chōsakai hensan焦点下の北方問題 / 東亞調查会編纂 Author: Tōa Chōsakai and 東亞調查会 Format: Book Language: Japanese Published: Shōwa 17 [1942]
2. Chishima Rettō o meguru Nihon to Roshia = Japan and Russia in relation to the Kuril Islands : a historical study / Akizuki Toshiyuki cho千島列島をめぐる日本とロシア = Japan and Russia in relation to the Kuril Islands : a historical study / 秋月俊幸著 Author: Akizuki, Toshiyuki, 1931-, author and 秋月俊幸, 1931-, author Format: Book Language: Japanese Published: 2014
3. Hoppō ryōdo kōshō hiroku : ushinawareta gotabi no kikai / Tōgō Kazuhiko cho北方領土交渉秘録 : 失われた五度の機会 / 東郷和彦著 Author: Tōgō, Kazuhiko, 1945- and 東郷和彦, 1945- Format: Book Language: Japanese Published: 2007
4. Mitsuryō no umi de : seishi ni nokoranai Hoppō Ryōdo / Honda Ryōichi密漁の海で : 正史に残らない北方領土 / 本田良一 Author: Honda, Ryōichi, 1959- and 本田良一, 1959- Format: Book Language: Japanese Published: 2004
5. Kinsei Nihon no hoppōzu kenkyū / Takagi Takayoshi近世日本の北方図研究 / 高木崇世芝 Author: Takagi, Takayoshi, 1938- and 高木崇世芝, 1938- Format: Book Language: Japanese Published: 2011