Charles Demuth, Amaryllis, c. 1923, watercolor over graphite, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/172894

Honoré Daumier, Art Lovers, c. 1863, Gray and black wash, charcoal, and graphite, with watercolor, on cream laid paper, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/109042

Joseph Mallord William Turner, Flüelen, from the Lake of Lucerne, 1845, watercolor with gouache and scratch-away, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/131338