Polish Painting Masterpieces
Artur Grottger
"Visitor in the Studio", 1867, oil on panel, 35 x 26.5 cm, private collection

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