1911 Encyclopædia Britannica, Volume 13… (1911)
“ If in any branch of his art he can be said to have had a conscience at this period, we should say that he showed it in his portrait drawings. It is seldom that we find a painted likeness worthy of the name. The drawings of which numbers are still preserved in the galleries of Basel, Berlin and Copenhagen show extraordinary quickness and delicacy of hand, and a wonderful facility for seizing character; and this happily is one of the features which Holbein bequeathed to his more famous son, Hans the younger. ”
