The genesis of a painting, Picasso's Guernica - Arnheim, Rudolf (Univ. of Calif. Press, 1973)
"This book was formerly published under the name Picasso's Guernica: the genesis of a painting, which is, with the addition of a few minor corrections, reproduced exactly in this edition."
Orig.-Ausg. u.d.T.: Picasso's Guernica, the genesis of a painting