Madrid, Real Academia de la Historia, Sammlung Pascual de Gayanos, MS T-lxxi, als Hikāyat al jāriya Tūdūr wa mākānahā min ḥadīthihā maʿ al-munajjim wa-l-faylasūfi wa al-Naẓẓām bi ḥaḍrat Hārūn al-Rashīd - in: Rosemary Stanfield-Johnson: 'From One Thousand and One Nights to Safavid Iran: A Persian Tawaddud', Der Islam, 94 (2017), S. 158–191; doi:10.1515/islam-2017-0007.
Christine Chism, 'Tawaddud/Teodor and the Stripping of Medieval Mastery', Digital Philology: A Journal of Medieval Cultures, 8 (2019), 123–37; doi:10.1353/dph.2019.0018.
