WattsOSLWLandscape with a Church1918 · Crayon and watercolor on paper11 1/2 × 15 1/4 in. (29.2 × 38.7 cm)The Metropolitan Museum of Art
WattsOSRRooftops1918 · Pastel and charcoal with graphite on paper11 1/2 × 15 1/4 in. (29.2 × 38.7 cm)The Metropolitan Museum of Art
Silhouetportret van Matthijs Andries van der Bank1833 · brush on ink, paint (coating), paperwidth: 99 cm, height: 141 cmRijksmuseum
Silhouetportret van Antonius Gerardus van Hamel1833 · brush on paper, ink, paint (coating)height: 141 cm, width: 99 cmRijksmuseum