This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Filharmonia . The Warsaw Philharmonic Poland The book of Jankowski Warszawa Publisher Wydawnictwo Polskie Pozna no precise date of publishing included page The source didnt provide an information who personally the author is AnonymousEU PDPolish Historical images of the Warsaw Philharmonic Warsaw in the s