Polish Painting Masterpieces
Aleksander Orlowski
"Dancing Lesson", 1798, watercolour, ink on paper, 23 x 16 cm, Museum of Literature, Warsaw

Source: Gowin, Slawomir, „Aleksander Orlowski [1777-1832]”, „LUDZIE CZASY DZIELA” series, Edipresse Polska S.A., Warszawa 2007, ISBN 978-83-7477-218-1