Together, these studies have painted a difficult pathophysiological picture to interpret.
Phillips was clearly not looking for escapist entertainment when he bought difficult pictures like Matisse's "Studio, Quai St.-Michel".
Look at his portrait of Marilyn Monroe in "Nothing Personal," perhaps one of the most difficult pictures in the book.
Franco was having a difficult time getting pictures, too.
The sisters, who had been rumoured at times to have a difficult relationship, were pictured together in London a few days before the death when Jackie was on a promotional tour for her new novel, The Santangelos.
But Dave is a difficult subject for a picture book.
But recent tax law changes have reduced donations of cars and complicated an already difficult financial picture for car museums, said Laura Brinkman, executive director and chief executive of the 130-car Auburn Cord Duesenberg Automobile Museum in Auburn, Ind.
This - with matching BBC testimony stacked a mile high - isn't the picture of a "difficult" operator.
Bortolon associates this picture with a difficult period of Leonardo's life, as evidenced in his diary: "I thought I was learning to live; I was only learning to die".
Douglas played the reports down, saying: "It's a difficult time for smaller independent pictures.
