Austin Mecklem, Engine House and Bunkers, Oil on canvas, 38 x 50.25 inches, 1934, Smithsonian American Art Museum (Transfer from the U.S. Department of Labor), Washington, D.C.
Sol LeWitt, Splotch, Fiberglass, construction foam, plywood, epoxy resin, acrylic paint, 6 feet 8 inches x 11 feet x 9 feet, 2003, Philadelphia Museum of Art, Pennsylvania