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Birte Plutat (1998). "Ernst Leumann Liste von transcrib. Abschriften und Auszügen e.c.t.". In Institute for the Culture and History of India and Tibet at the University Hamburg (ed.). Alt- und Neuindische Studien [Old and new Indian studies]. Stuttgart: Franz Steiner-Verlag. ISBN3515070966. ISSN0170-3242.
藤田, 眞道 (1931). 恩師ロイマン教授 [Prof. Dr. Ernst Leumann]. Mikkyou Kenkyuu (in Japanese). 42. Association of Esoteric Buddhist Studies: 122–151. doi:10.11168/jeb1918.1931.42_122. ISSN1884-3441.