Polish Painting Masterpieces
Jozef Pankiewicz
"Portrait of the Artist's Mother", 1900, oil on canvas, 59 x 44.5 cm, National Museum, Cracow

Source: Bernat, Anna, „Jozef Pankiewicz [1866-1940]”, „LUDZIE CZASY DZIELA” series, Edipresse Polska S.A., Warszawa 2006, ISBN 83-7477-064-3