1
Published: 1966
Superior document: Monumenta musicae Byzantinae. Subsidia volumen 7
2
Published: 1982
Superior document: Akten Wien, 4. - 9. Oktober 1981 Teil 2, 7.Teilbd.
3
Published: 1983
Superior document: Cahiers de l'Institut du Moyen-âge Grec et Latin 45