Theodorus Prodromus, Commentary on the asmatic canons of Kosmas the Melodist, John of Damascus and Theophanes, partly edited by H. Stevenson, Theodori Prodromi commentarios in carmina sacra Melodorum Cosmae Hierosolymitani et Ioannis Damasceni (Vatican, 1888).
Scope & Content:
Theodorus Prodromus, Commentary on the asmatic canons of Kosmas the Melodist, John of Damascus and Theophanes