[Children drawing on a blackboard at a residence for children disturbed by the war, Warsaw, Poland]

[Blind boy working on a string drawing in home for crippled children, Villa Savoia, Rome]

Drawing of Mala Zimetbaum, with Russian Prisoners' Graffiti, Block 11, Cell 18, Main Camp

[Henri Matisse drawing with bamboo pole tipped with charcoal in his studio, Nice, France]

[Henri Matisse drawing with bamboo pole tipped with charcoal in his studio, Nice, France]

[Pablo Picasso standing behind one of his sketch, Vallauris, France]

[Pablo Picasso standing behind one of his sketch, Vallauris, France]

[Pablo Picasso standing behind one of his sketch, Vallauris, France]