East Stairway, profile in line #2    2006 gouache on paper    22.25 x 30 inches

West Stairway, profile in line #2    2006    gouache on paper    22.25 x 30 inches

Study for East Stairway with West Stairway / profile excerpt    2006    gouache on paper    22.25 x 30 inches

Study for East Landing #2    2006    gouache on paper    22.5 x 30 inches

Study for West Landing [with West Stair profile / East's color]    2007    gouache on paper    22.25 x 30 inches