Robjohn, William James

FLORIO, Caryl(1843–1920)

Algemene muziek encyclopedie

Florio, Caryl(1843–1920)

Muzička enciklopedija

Florio William, Caryl James Robjohn(1843–1920)

Dictionary of American classical composers

Florio, Caryll

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico