Camille Corot, Landskap, Papigno, 1826, drawing, Nasjonalmuseet (National Museum of Norway), Oslo. https://dartabase.art/cite/nmk/0210415022488

Camille Corot, Landskap, 1860–1875, drawing, Nasjonalmuseet (National Museum of Norway), Oslo. https://dartabase.art/cite/nmk/0210415024526