Polish Painting Masterpieces
Artur Grottger
"Portrait of Jerzy Lubomirski", 1866, oil on canvas, 75 x 61.7 cm, National Museum, Wroclaw

Source: „Artur Grottger, 1837-1867”, „Wielka kolekcja slawnych malarzy” series, Oxford Educational, Poznan 2008, ISBN 978-83-252-0123-4