Othegraven, August von

OTHEGRAVEN, August von(1864–1946)

Algemene muziek encyclopedie

Othegraven, August von(1864–1946)

DEUMM Online

Othegraven, August von(*1864)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

Othegraven, August von(*1864)

Hugo Riemanns Musik-Lexikon

Othegraven, Augusto de(*1864)

Dizionario universale dei musicisti