https://polishartcorner.com/2026/09/08/karol-wierusz-kowalski-1869-1953-3/Polish Art Corneren2026-09-08T12:19:47+00:00Karol Wierusz-Kowalski (1869 – 1953)https://polishartcorner.com/2026/09/07/jan-johann-raszka-1871-1945/Polish Art Corneren2026-09-07T14:49:15+00:00Jan (Johann) Raszka (1871 – 1945)