Columbia subject headings:
Digenis Akritas (Byzantine poem)
Huios tou Andronikou (Byzantine poem)
Harvard subject headings:
Digenis Akritas (Byzantine poem)
Epic poetry, Byzantine--History and criticism.
Huios tou Andronikou (Byzantine poem)
Princeton subject headings:
Digenis Akritas (Byzantine poem)
Huios tou Andronikou (Byzantine poem)