Speidel, Wilhelm

Speidel, Guglielmo(1826–1899)

Dizionario universale dei musicisti

Speidel, Guglielmo.

Dizionario universale dei musicisti

Speidel, Wilhelm(1826–1899)

Hugo Riemanns Musik-Lexikon

SPEIDEL, Wilhelm(*1826)

Biographie universelle des musiciens et bibliographie générale de la musique

J. B.

SPEIDEL, Wilhelm(*1826)

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