Volume 6 covers the years 1972 to 1979, when Cy Twombly made several attempts to vigorously widen his artistic work. He completed his 24 Short Pieces followed by the series Natural History I and Natural History II. In both series he developed a kind of collage technique using postcards, found reproductions, and photographs a stylistic device he integrated in his drawings and other works on paper, foreshadowing the future body of his own photographic...