Keywords: Matejko Sigismund Augustus and Barbara.jpg Artwork Creator Jan Matejko 1867 oil canvas cm 127 107 Institution National Museum Warsaw accession number MP 3179 object history credit line J Matejko / 1867 signature/date http //cyfrowe mnw art pl/dmuseion/docmetadata id 3615 cyfrowe mnw art pl See below PD-old-100 DEFAULTSORT 1867; Sigismund Augustus and Barbara Paintings by Jan Matejko in the National Museum in Warsaw Sigismund II August of Poland Barbara Radziwiłł 1867 paintings History paintings by Jan Matejko Sigismund II August |