Gaul, Alfred Robert

Gaul, Alfred Robert(1837–1913)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

GAUL, Alfred Robert(1837–1913)

Algemene muziek encyclopedie

Gaul, Alfred Robert(1837–1913)

Hugo Riemanns Musik-Lexikon

GAUL, Alfred Robert(*1837)

Biographical dictionary of musicians, with a bibliography of English writings on music

Gaul, Alfredo Roberto.

Dizionario universale dei musicisti

Gaul, Alfredo Roberto(1837–1913)

Dizionario universale dei musicisti