The Walker excels at curating exhibitions on artists whose material production is ephemeral or elusive, and its show of Beuys multiples was no exception. On view were over 300 works in Beuys’ main media—photographs, drawings, postcards, and found objects—in editions from one to unlimited, as well as film and video. Considered by category, the postcards are more successful than the drawings, and the objects are the most compelling. They share a quietly natural, Wolfgang Laib–ish aesthetic of white and yellow, milk and honey. But where Beuys’ art is calibrated at 90 percent information and 10