Yahya Efendi?s Poetry Of Birgili?s Testament (text-examnination-index)

In this study, the copy of writing which was known as ?Vasiyet-nâme-i Birgili? and converted to poetry by Yahya Efendi and recorded in National Library with the archive number 06 Mil Yz A 8131 is examined. The work mentioned which has no name on its cover but starts with a prefix like ?KitÀb-ı Birgili Mehemmed Bin Pìr èAlì Der Naôm-ı YaóyÀ Efendi Raómetu?llÀhì TeèÀlÀ? is approached by the means of transcription, index and examination.After a short summary about Birgili Mehmet Efendi and testament, the weak and strong aspects of work of study as a language heritage are determined. In the index added at the end of the work, it is aimed to present worth of language. Despite the limitation, which is mentioned at the begining of the study is worthy. The worth of the study is its reflecting the characteristics of its period and because of the known power of Ottoman Turkish Language which is shown with original usage characteristics.KEY WORDSTestament, Birgili Mehmet Efendi, Yahya Efendi.