Paul George Konody,
1911 Encyclopædia Britannica, Volume 22…
(1911)
“ Even the famous “Equestrian Portrait of Tulp” in the Six collection, Amsterdam, is awkward and stiff and hard in handling. His animals are designed with careful accuracy, while the landscape backgrounds are introduced with spirit and appropriateness. His colour is clear and transparent, his execution firm and finished without being laboured. His view of nature is purely objective and unemotional ”
