Dāʼirat al-maʻārif-i buzurg-i Islāmī; Jild-i 19: Juvaynī, Abū al-Muẓaffar – Ḥāfiẓ

This volume comprises approximately 225 articles. Some of the notable lengthy articles in the nineteenth volume include Hafez, Hell, Printing, Ophthalmology, Polo, and more.

One of the entries included in this volume is "Jahanshah Qaraqoyunlu," written by "Rouzbeh Zarrinkoub." The author has written this entry with the intention of reviewing, revising, and completing it in the encyclopedia. Therefore, it begins with a look into the historical background and literary persona of Jahanshah Qaraqoyunlu. By analyzing Jahanshah's Turkish poems and presenting samples of his poetry, the author continues the discussion. Finally, the author examines the handwritten manuscripts of Jahanshah's divan, explores his poetic epistle to his son, and concludes with an overview of Jahanshah's work.