Ritter, H. (1986), “Attar”, Encyclopaedia of Islam, New Ed., vol. 1: 751-755. Excerpt: "ATTAR, FARID AL-DIN MUHAMMAD B. IBRAHIM.Persian mystical poet.Yahiya Emerick, The Complete Idiot's Guide to Rumi Meditations, "The three most influential Persian poets of all time, Fariduddin 'Attar, Hakim Sana'i, and Jalaluddin Rumi, were all Muslims, while Persia (Iran) today is over 90 percent Shi'a Muslim", Alpha, p. 48
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Bartholo Júnior, Roberto R. (1994). Mística e Política no Seguimento ao Profeta do Islã. In Mística e Política. p.169. "O poeta místico persa Faridadin Attar"
ʻAṭṭār, Farīd al-Dīn. The conference of the birds. W. W. Norton. Traduzido por Wolpé, Sholeh First ed. Nov Iorque: [s.n.] ISBN9780393292183. OCLC951070853