Coseriu, Eugenio. “Lexical Structure and the Teaching of Vocabulary.” Linguistic Theories and their Application, Strasbourg: The Council of Europe, Aidela, 1967, pp. 9-52.
Coseriu, Eugenio. “Die Ebenen des sprachlichen Wissens: Der Ort des ‘Korrekten’ in der Bewertungsskala des Gesprochenen.” Energeia und Ergon: Band I Schriften von Eugenio Coseriu (1965-1987), edited by Jörn Albrecht et al., Gunter Narr Verlag, 1988, pp. 327-364.
Hirose, Yukio. “Public and Private Self as Two Aspects of the Speaker: A Contrastive Study of Japanese and English.” Journal of Pragmatics, vol. 32, no. 11, 2000, pp. 1623-1656.
Ikarashi, Keita, and Patrick Maher. “Cicada Lacks a Public Self: Characterization and the Public/Private Dichotomy.” Tsukuba English Studies, no. 40, 2022, pp. 51-64.
Schmerling, Susan F. “Subjectless Sentences and the Notion of Surface Structure.” Papers from the Ninth Regional Meeting Chicago Linguistic Society, edited by Claudia Corum et al., Chicago Linguistic Society, 1973, pp. 577-586.
Yamaguchi, Haruhiko. “Yakuwarigo no Kobetsusei to Huhensei: Nichieigo no Taishou o toushite.” Yakuwarigo Kenkyuu no Chihei, edited by Satoshi Kinsui, Kurosio, 2007, pp. 9-25.