Gustave Doré (1832- 1883) Newgate Exercise yard from ‘London: A pilgrimage’ by Blanchard Jerrold, 1872. Engraving.
Vincent van Gogh (1853-1890) Prisoners Exercising, also known as Prisoners' Round, 1890. Oil on canvas, 80x64 cm. The Pushkin Museum of Fine Art, Moscow.