Norton, Lillian Allen (Lillian Nordica)

NORDICA, Lilian(1857–1914)

Algemene muziek encyclopedie

Nordica, Lillian(1857–1914)

DEUMM Online

Nordica, Lillian(1859–1914)

Hugo Riemanns Musik-Lexikon

Nordica, Lillian(1857–1914)

The Paris Opéra: An encyclopedia of operas, ballets, composers, and performers

Nordica, Lillian(1857–1914)

Großes Sängerlexikon

Nordica, Lillian il cui vero nome fu Norton(1859–1914)

Dizionario universale dei musicisti

Nordica Lillian(1857–1914)

MGG Online

susan blyth-schofield

Nordica, Lillian(1857–1914)

Encyclopedia of recorded sound