I almost never do.<p>To be less flippant, I&#x27;m not sure that defining the field of art history more broadly is a bad thing. I would hate to see the disappearance of those who can make fine distinctions between painters; there should be room for them too in the art history world.<p>I did guess correctly, by the way, but I couldn&#x27;t tell you whether it was because I saw one of the pictures long ago at a Canaletto exhibition at the National Gallery of Art, from books, or just chance.