1950s59 WR 27 1959 pure watercolor pigments on paper 18 x 24 inches57 WR 57 1957 pure watercolor pigments on paper 15 x 19 inches58 WR 17 1958 pure watercolor pigments on paper 18 x 2456WR 34 1956 pure watercolor pigments on paper 18 x 24 inches56 WR 41 1956 pure watercolor pigment on paper 24 x 18 inches56 WR 22 1956 pure watercolor pigment on paper 18 x 22 inches54WR 39 1954 pure watercolor pigment on paper 18 x 24 inches54WR 35 1954 pure watercolor pigment on paper 18 x 24 inches54WR 20 1954 pure watercolor pigment on paper 18 x 24 inches54WR 3 1954 pure watercolor pigment on paper 18 x 24 inches