Bortkiewicz, Sergei Eduardovič

Bortkevič, Sergej Ėduardovič(1877–1952)

MGG Online

christoph flamm

Bortkevich, Sergey Eduardovich(1877–1952)

Biographical dictionary of Russian/Soviet composers

Bortkiewicz, Serge Eduardowitsch(*1877)

Hugo Riemanns Musik-Lexikon

BORTKIEWICZ, Sergei(1877–1952)

Algemene muziek encyclopedie

Bortkiewicz, Sergei(1877–1952)

The 20th century violin concertante: A repertoire catalogue

Bortkiewicz, Sergio.

Dizionario universale dei musicisti

Bortkiewicz, Sergio(*1877)

Dizionario universale dei musicisti