Bolck, Oskar

Bolck, Oskar(1839–1888)

Hugo Riemanns Musik-Lexikon

Bolck, Oskar(1839–1888)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

Bolck, Oskar.

Dizionario universale dei musicisti

BOLCK, Oskar(*1839)

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