Gilbert, William S.

GILBERT, Will G.(1912–1967)

Algemene muziek encyclopedie

Gilbert, Will. Schwenck(1836–1911)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

Gilbert, William Schwenck

Dizionario universale dei musicisti

GILBERT, William Schwenck(*1836)

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

Schwenck, Gilbert William(1836–1911)

Dizionario universale dei musicisti