Polish Painting Masterpieces
Artur Grottger
"Father's Admonition", from the cycle The Nobleman's Education, 1858, watercolour on paper, 30.7 x 25.4 cm, National Museum, Wroclaw

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