* Tani Toyonobu 谷豊信: "Rakurō-gun no ichi" 楽浪郡の位置, Chōsen shi kenkyūkai ronbunshū 朝鮮史研究会論文集 (Bulletin of Society for Study in Korean History), No 24, pp.
* Tani Toyonobu 谷豊信: "Rakurō-gun no ichi" 楽浪郡の位置, Chōsen shi kenkyūkai ronbunshū 朝鮮史研究会論文集 (Bulletin of Society for Study in Korean History), No 24, pp.