The exhibition The Dancer: Degas, Forain, Toulouse-Lautrec, assembled by Annette Dixon, curator of prints and drawings at the Portland Art Museum, brought together a stunning group of works in various media—paintings, sculptures, drawings, and lithographs—by three artists whose careers were defined in large measure by their attraction to the subject of dance. For those of us who were unable to see this show in person, its catalogue presents exquisite, large-scale color reproductions that allow the...