This is a wonderful overview of the remarkable range of dog portraits--there are no human sitters--produced over the last 250 years. It features well-known works such as Rosa Bonheur's Brizo , (one of the best-loved portraits in The Wallace Collection), George Stubbs' Turk , Thomas Gainsborough's portrait of his two dogs Tristram and Fox, Lucian Freud's oil painting of Pluto, his pet whippet, and David Hockney's dachshunds Stanley and Boodgie. Over...