Merli, Francesco

Merli, Francesco(1887–1976)

Großes Sängerlexikon

Merli, Francesco(1887–1976)

Encyclopedia of recorded sound

Merli, Francesco.

Dizionario universale dei musicisti

MERLI, Francesco(1887–1976)

Algemene muziek encyclopedie

Merli, Francesco(1887–1976)

DEUMM Online