Билял Терлекчининъ (1886-1965) лугъат чалышмалары
This paper for the first time presents a 520-page manuscript of unpublished material of the Crimean Tatar lexicographer of the pre-revolutionary period Bilyal Terlekchi. On the basis of the preserved written documents as well as memories of close relatives an attempt is made to develop a scientific biography of the scientist. A brief list of lexicographical works on the Crimian Tatar language science of the 13 <sup>th</sup> centuri has been given