Miloš Velimirović
Bŭlgarsite pesnopenii︠a︡ vŭv vizantiĭskite muzikalni rŭkopisi
Byzantine elements in early Slavic chant
Fr. D.V. Razumovskii, pioneer of Russian musicology
From idea to sound
Ioakeim monachos tou charsianitou kai domestikos Servias
Russian autographs at Harvard
The influence of the Byzantine chant on the music of the Slavic Countries