None.
"... A vein of quaint realism of a different sort is discovered in his Red Barn picture, the building standing out against a background of bare trees and a cold sky while cattle wait in the snow inside the typical barnyard, a bit of singularly weather-beaten picturesqueness ..." (signed) Ernest Newton Bagg
RSW made both a chalk drawing and an oil on canvas which were titled Red Barn. We have not yet dicovered an image for either.