NEW YORK – Whether they were inspiring muses, great company in the studio, or an irresistible combination of both, dogs have found a way of working themselves into the lives of some of history’s most important artists. (And a lucky few have even made it onto the canvas of masters like Lucian Freud and David Hockney.) In honour of National Dog Day, here’s a roundup of our favourites, from Andy Warhol’s celebrated dachshund Archie to Frida Kahlo’s pack of Xoloitzcuintli.