Sir Robert Ker Porter

1806 · Graphite and watercolour on paper

support: 258 x 181 mm

Tate

1803 · pen-and-tusche lithograph

National Gallery of Art

1803 · Lithograph in black on cream wove paper, tipped onto mount with aquatint border in gray on cream wove paper

Image/primary support: 22.2 × 32.1 cm (8 3/4 × 12 11/16 in.); Secondary support: 37.5 × 49 cm (14 13/16 × 19 5/16 in.)

Art Institute of Chicago

1800 · Graphite and watercolour on paper

support: 214 x 162 mm

Tate

1799 · Watercolour and graphite on paper

support: 209 x 296 mm

Tate

1795 · Pen and orange-red ink, with brush and gray wash, graphite, and traces of red chalk, on cream wove paper, squared in graphite

20.7 × 24 cm (8 3/16 × 9 1/2 in.)

Art Institute of Chicago

Graphite and watercolour on paper

support: 238 x 240 mm

Tate