Farah Al-Kalb Written in Late Chagatai Turkish (80b-112a) (Introduction-text-Index-facsimile)

This study, which was prepared as a master's thesis, was carried out in includes pages 80b-112a of the work Farah al-Kalb registered at B1015 in the Institute of Oriental Manuscripts of the Russian Academy of Sciences in St. Petersburg. Apart from the copy we are working on, there is another copy of the work registered in the Academy of Sciences of Uzbekistan under the number 6211/1. Farah al-Kalb's Institute of Oriental Manuscripts of the Russian Academy of Sciences in St. Petersburg, number B1015, does not give information about the dimensions of the work, as it is a digital copy. They said copy does not provide information about the date of writing, the author or the copyist. As a result of our research, we have reached the information of the work in different catalogues and in line with this information, it has been possible to determine and confirm the information about the author, copyist, the place and date of writing. Accordingly, Farah al-Kalb is a work written by Abdurrahman bin Kurban Bek, with the pseudonym Abdi, and was copied by Muhammad Salih ibn Gurbat Sufi in the Xinjiang region in 1863-64. This religious-mystical work has been included in the Late Chagatai Turkish period, as it contains the language features of the Classical Period Chagatai Turkish, as well as the local features in the formation process of the dialects. Our work consists of Introduction, Text, Index and Facsimile sections. In the introduction, information about the work is given and as a result of our research, the determinations about the author, copyist, copy date and place of the work we reached were conveyed. An evaluation of the work in terms of language is also included in this section. At this point, instead of listing all the spelling features, phonetic and morphological features in the work and repeating the Chagatai Turkish grammar, the spelling features, phonetic and morphological features that will point to the Late Chagatai Turkish period, which we included in the work, were emphasized. In the text section, the text in Arabic letters has been transferred to the transliteration alphabet. In the index section, the source languages are specified by giving the meanings of the words used in the text. In the facsimile section, the Arabic script facsimile of pages 80b-112a of the digital copy of the work is given. KEY WORDS: Farah al-Kalb, Chagatai Turkish, Late Chagatai Turkish, New Uyghur Turkish