Schmid, Heinrich Kaspar

Schmid, Enrico Gasparo(*1874)

Dizionario universale dei musicisti

SCHMID, Heinrich Kaspar(1874–1953)

Algemene muziek encyclopedie

Schmid, Heinrich Kaspar(1874–1953)

Muzička enciklopedija

Schmid, Heinrich Kaspar(1874–1953)

DEUMM Online

Schmid, Heinrich Kaspar(*1874)

Hugo Riemanns Musik-Lexikon

Schmid, Heinrich Kaspar(1874–1953)

The 20th century violin concertante: A repertoire catalogue