6th International Symposium Oriental Studies

The 6 th International Symposium on Oriental Ancient Documents Studies 40 The author has collected all available material on the dictionary, research on the Timely Pearl and corrections which have been made during the cen‑ tury. The paper aims to help researchers to know the real situation of the col‑ lection and publication of the book and notice the missing of the book’s pages and its version problem. Key words: Tangut language, “the Timely Pearl”, Tangut-Chinese history, Khara-Khoto, N.A. Nevsky, Institute of Oriental Manuscripts.