Group of Five Soft Copy Reference Books; including "Impressionism and Post Impressionism" by Robert L. Preato; "American Painting" by Leslie Atkins, Masterworks of Louis Comfort Tiffany and "American Painting" by Leslie Kremp; American Impressionism by Leslie Atkins Group of Five Soft Copy Reference Books; including "Impressionism and Post Impressionism" by Robert L. Preato; "American Painting" by Leslie Atkins, Masterworks of Louis Comfort Tiffany and "American Painting" by Leslie Kremp; American Impressionism by Leslie Atkins