John Newton1750 · Oil on canvas127 × 101.6 cm (50 × 40 in.); Framed: 145.5 × 120.3 × 6.4 cm (57 1/4 × 47 3/8 × 2 1/2 in.)Art Institute of Chicago
John Van der Wall1740 · Oil on canvas127.3 × 101.9 cm (50 1/8 × 40 1/8 in.); Framed: 148 × 122.3 × 6.4 cm (58 1/4 × 48 1/8 × 2 1/2 in.)Art Institute of Chicago