Polish Painting Masterpieces
Piotr Michalowski
"Fight between French and Arabs", sketch, watercolour on paper, 46.3 x 55 cm, National Museum, Warsaw

Source: Czapska-Michalik, Magdalena, „Piotr Michalowski [1800-1855]”, „LUDZIE CZASY DZIELA” series, Edipresse Polska S.A., Warszawa 2007, ISBN 978-83-7477-208-2