WattsOSTDThe Deluge1655 · EngravingSheet: 10 13/16 × 7 1/16 in. (27.5 × 18 cm)The Metropolitan Museum of Art
Hercules verslaat Acheloüs in de gedaante van een stier1653 · brush on chalk, ink, paperheight: 283 cm, width: 223 cmRijksmuseum
WattsOSAAAn Allegory of the Triumph over Heresy, with St. Domenic to the Fore1650 · Pen and gray ink and watercolor, heightened with white, over black chalk11 1/2 x 7 11/16 in. (29.2 x 19.6 cm)The Metropolitan Museum of Art
WattsOSDFDesign for the Epitaph of the 't Seraets-Van Etten family1645 · Pen and brown ink, black chalk, red chalk, gray wash and heightened in white [oxidized]Sheet: 9 3/16 × 11 11/16 in. (23.3 × 29.7 cm)The Metropolitan Museum of Art
WattsOSDFDesign for an Epitaph with a Variant, flanked by Terms and surmounted by statues of Cherubs1625 · Pen with brown and black ink over traces of black chalk, black charcoal, brown and gray washSheet: 12 13/16 in. × 9 in. (32.6 × 22.8 cm)The Metropolitan Museum of Art
WattsOSSCSaint Cecilia1616 · Oil on canvas47 7/8 x 40 3/4 in. (121.6 x 103.5 cm)The Metropolitan Museum of Art
WattsOSDFDesign for a Title Page1610 · Pen and brown ink, black chalk, brown wash, white gouache;The Metropolitan Museum of Art