Polish Painting Masterpieces
Unknown Painter
"Mary with the Child and the Man Of Sorrow", c. 1435, National Museum, Warsaw

Source: Michalik, Marta, „Wielkanoc w malarstwie”, „LUDZIE CZASY DZIELA” series, Edipresse Polska S.A., Warszawa 2007, ISBN 978-83-7477-212-9