discogs пишет......что не Polygram a Polydor ))))))

Label-identifying prefixes
AE ### - Ariola Group Of Companies - Ariola Eurodisc - Arabella Eurodisc
ARC ### - Arcade
BA ### - Barclay - Universal Music
BM ### - BMG
CA ### - Carrere - Warner Music
CB ### - CBS - Sony Music
EW ### - EastWest - Warner Music†
MU ### - Musidisc†
NR ### - New Rose
PG ### - Phonogram - Universal Music
PM ### - Pathé Marconi - EMI†
POL ### - Polydor - Universal Music
PY ### - PolyGram - Universal Music
UN ### - Universal Music
VG ### - Vogue - BMG
WE ### - WEA - Warner Music
WM ### - WMD (Wotre Music Distribution)†
If a number printed on a record matches with one of these, it is usually a distribution code and should not be added as catalog#, but in the notes.