Itō Sachio shū, Nagatsuka Takashi shū, Takahama Kyoshi shū. - Itō, Sachio, 1864-1913.; Nagatsuka, Takashi, 1879-1915.; Takahama, Kyoshi, 1874-1959. (Gendai Nihon Bungaku zenshū (Kaizōsha), 1930)