Drysdale, Learmont

Drysdale, George John Learmont(1866–1909)

DEUMM Online

Drysdale, Learmont(1866–1909)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

Drysdale, Learmont(1866–1909)

Hugo Riemanns Musik-Lexikon

DRYSDALE, Learmont(1866–1909)

Algemene muziek encyclopedie

Drysdale, Learmont.

Dizionario universale dei musicisti

Drysdale, Léarmont(1866–1909)

Muzička enciklopedija