Ruskin, John; Cook, Edward T. [Hrsg.]: The works of John Ruskin: The elements of drawing. The elements of perspective. And the laws of Fésole (London, 1904)

Drawn tyJ.Rnskm EngrayedTy GAQen.
SCHOOLS OH S? &EOROH.
LIGHT AND SHADE "WITH REFUSAL OF COLOUR .
PETAL-VAULT OF SCARLET GERANIUM .