Joseph Beavington Atkinson, 1911 Encyclopædia Britannica, Volume 15… (1911)
“ The cartoon, which, as usual in modern German art, is superior to the ultimate picture, was executed in the artist’s prime at the age of thirty. At this period, as here seen, the knowledge was little short of absolute; subtle is the sense of beauty; playful, delicate, firm the touch; the whole treatment artistic. ”
