Susanne Ziegler, East Meets West - Urban Musical Styles in Georgia, in Doris Stockmann e Henrik Jens Koudal (a cura di), Historical Studies on Folk and Traditional Music: ICTM Study Group on Historical Sources of Folk Music, Conference Report, Copenhagen, 24-28 April 1995, Copenaghen, Museum Tusculanum Press, 1997, pp. 159-161, ISBN87-7289-441-5. URL consultato il 6 agosto 2020.
Canser Kardaş, The Legacy of Sounds in Turkey: Âşıks and Dengbêjs, in Ulas Özdemir, Wendelmoet Hamelink e Martin Greve (a cura di), Diversity and Contact Among Singer-Poet Traditions in Eastern Anatolia, Ergon Verlag, 5 febbraio 2019, p. 47, ISBN3-95650-481-X. URL consultato il 6 agosto 2020.
James R. Russell, 43. From Parthia to Robin Hood: The Epic of the Blind Man’s Son (XML), in Lorenzo DiTommaso, Matthias Henze e William Adler (a cura di), The Embroidered Bible: Studies in Biblical Apocrypha and Pseudepigrapha in Honour of Michael E. Stone, Leida, Brill, pp. 878-898, ISBN978-90-04-35588-0. URL consultato il 6 agosto 2020.