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(Title in Polish - '(Lustracja Kierdeja. Indeks nazw osobowych; Lustracja Kierdeja. Indeks nazw miejscowych'). The article is an index to the summary and excerpts from the register of Tatar landed estates of 1631 by Jan Kierdej published by Piotr Borawski, Witold Sienkiewicz and Tadeusz Wasilewski (Acta Baltico-Slavica no 20(1991), pp.59-137). It consists of four parts.The first two parts contain names of estate owners and other people mentioned in the summary and excerpts from the register, respectively, whereas parts three and four show place names included in the two parts of the register. This article should be helpful for scientists who are researching the Polish Tatar's history and their extraction.