^ Schenker, Alexander M. (1995) “Early writing”, in The Dawn of Slavic: An introduction to Slavic philology, New Haven, CT/London, UK: Yale University Press, →ISBN, pages 168–172
^ Ilievski, Petar H.R. (2002) “Glagolica: An iconic script for visual evangelic preaching”, in Illinois Classical Studies[1], volumes 27–28, →ISSN, →JSTOR, archived from the original on 2020-10-03, pages 153–164
^ Jung, Hakyung (2013 January) “On the origin of the Glagolitic alphabet”, in Scripta[2], volume 5, archived from the original on 2021-10-07, pages 105–130