V. Grumel, « Union Académique Internationale. Monumenta Musicae Byzantinae : Transcripta ediderunt Carsten Höeg. — H. J. X. Tillyard. — Egon Wellesz una cum archimandrita Cryptaeferratae. Vol. VIII : The hymns of the Hirmologion. Part. III, 2. Transcribed by Aglaïa Ayoutanti, revised and anotated by H. J. W. Tillyard, Vol. IX : The Akathistos Hymn, introduced and transcribed by Egon Wellesz », Revue des études byzantines, 16, 1958, p. 278-280 (Version en ligne)