Kaykavus ibn Iskandar ibn Qabus, Unsur al-Ma'ali,  1021 or 1022-1098 or 1099 <br/><br/>
The book of advice =  Mütercimi meçhul ilk Türkçe Kabusname : inceleme, sözlük, tıpkı basım / 
 The book of advice : the earliest Old Ottoman Turkish version of his Kabusname ; text in fascimile from the unique 14th century manuscript, together with a study of the text and a select vocabulary by Eleazar Birnbaum. 
Eleazar Birnbaum. 
 - 264 s. :  ill.,facsim. 
 - Doğu Dilleri ve Edebiyatlarının Kaynakları ;  Türkçe Kaynaklar ;  6  6 .
<br/><br/> Added t.p. in English: The book of advice by King Kay Ka'us ibn Iskand, the earliest old Ottoman Turkish Version of his Kabusname.  Text in Ottoman Turkish (Arabic script); introduction and notes in English. 
<br/><br/><br/>English and Turkish. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education of princes<br/>Islamic ethics<br/>Youth--Conduct of life
<br/><br/><label>LC Class. No.: </label>JOURNAL  / KAYm