I made a lot of hard edge paintings during that time and by the Fall of 1965 I finished a series of drawings of my next and really first series of mature paintings. (ronnielandfield.com)
These super hard - edge paintings of buildings almost read as photographs at first, but up - close are comprised of meticulously defined planes of single color. (artfcity.com)
At that point I only knew his later, iconic 1920s, hard - edged paintings in which the exact placement and definition of color and shape became paramount. (paintersonpaintings.com)