- 558; Harawi, Tabaqat, p. 96-97; Ibn al-Jawzi,
Sifat al-Safwa, II, 371;
Feriduddin Attar,
Tazkarat al-Awliya (tr. Süleyman Uludağ),
Istanbul 1991, p. 354-366;...
- literature,
Yunus Emre a (probable) 13th
century poet's Risâletü'n-Nushiyye,
Feridüddin Attar's Pend-nâme, Sa'dî's
Bostan and Gulistan, and
Mesnevi of Mevlana...
