Byzantine Music Theory for Western Musicians
English Texts and Byzantine Chant: Some Problems and Issues
The Great Theory of Music
Foundational book (c. 1815) by Chrysanthos of Madytos, translated by Katy Romanu
Reading Psalmodia
Byzantine Music Theory and Notation, by David Melling
A Guide to the Music of the Eastern Orthodox Church
Byzantine Music and Notation with Comparative Examples in Staff Notation, by Fr. Nicholas Apostola
Composing Melodies: Book of Melodic Formulas
A huge compendium of medial and final cadences for every metrical text pattern in all of the modes and rhythmic styles. An absolute must when setting English texts to Byzantine melodies.
The Mnemonic Verses
A Quick and Easy Guide to the Byzantine Tones, by Jessica Suchy-Pilalis
Byzantine Octoechos Chart