"726" . "BORTKEVIC" . "Bortkiewicz" . . "1952-10-25"^^ . . "726" . . "1877-02-28"^^ . "https://data.muziekweb.nl/Link/M00000236274" . "au" . . "BORTKEVIC |f [componist]" . . "BORTKIEWICZ, SERGEI" . "1952" . "1952-10-25" . "Sergei" . "componist" . "https://www.discogs.com/artist/1270315" . "1877" . "https://musicbrainz.org/artist/436bc3c4-c66b-4bf2-bed0-8d826e86baed" . "https://viaf.org/viaf/56795479" . . . . "http://data.bibliotheken.nl/id/thes/p069815488" . . "Sergei" . "ur" . "https://www.wikidata.org/entity/Q742149" . "1877 1877-02-28 1952 1952-10-25 726 BORTKEVIC BORTKEVIC |f [componist] BORTKEVICH BORTKEVICH |f [componist] BORTKIEWICZ, SERGEI BORTKIEWICZ, SERGEI |f [componist] Bortkiewicz Sergei au componist http://data.bibliotheken.nl/id/thes/p069815488 http://id.loc.gov/authorities/names/nr91018763 https://data.muziekweb.nl/Link/M00000236274 https://imslp.org/wiki/Category:Bortkiewicz,_Sergei https://isni.org/isni/0000000109045174 https://musicbrainz.org/artist/436bc3c4-c66b-4bf2-bed0-8d826e86baed https://viaf.org/viaf/56795479 https://www.discogs.com/artist/1270315 https://www.wikidata.org/entity/Q742149 ur" . "http://id.loc.gov/authorities/names/nr91018763" . . . "1877-02-28" . "BORTKEVICH" . "Bortkiewicz" . "BORTKIEWICZ, SERGEI |f [componist]" . "BORTKEVICH |f [componist]" . . "https://imslp.org/wiki/Category:Bortkiewicz,_Sergei" . "https://isni.org/isni/0000000109045174" . . "componist" .