Alexander Borodin
Boelza authored a slate of books about Mozart (1941), Alexander Borodin (1944), Antonín Dvořák (1949), Reinhold Glière (1955), Maria Szymanowska (1956), Vítězslav Novák (1957), Frédéric Chopin (1960), Michał Kleofas Ogiński (1965), Alexander Scriabin (1982) and Karol Szymanowski (1984). He received a Doctorate, "honoris causa", from the Charles University of Prague, in 1967.