The present paper is the thirteenth paper which focuses on historical, literary, and manuscript findings. Some of the introduced sources and provided information are as follows: • Ishārāt at-Tafsīr fi Bishārār at-Tadhkīr, an old Persian commentary dated 694 AH, in Dārolkotob in Cairo. • Fi Shawāhid an-Nahviya in Persian dated 548 AH. • The manuscript of Khāqāni’s Divān, Sādeq Ansāri’s version, in Mar’ashi library. • The place of the manuscript of Attār’s Divān, No.306 of Sanā Library (previously called Mahdi bayāni), in Attār Studies. • Sheikh Sa’di Shirāzi, the scribe since the early 8th century AH. • Several Tostari scribes who made copies of the Persian manuscripts in 8th century. • Some Persian manuscripts from Aleppo. • Salmān Sāvoji’s Divān in Baghdadi’s famous handwriting. • Muhammad bin Hāji Hassan bin Solgharshāh the ninth century calligrapher. • Some verses from Hussein Dānesh Isfahani.