She created 400 folios of gouache illustrations, 40 sketchbooks, and 15 diaries. He preferred to paint from notes and drawings in his sketchbooks, rather than from photographs. Robert needed no urging; drawings from his sketchbooks document his travels&colon; Villa d'Este, Caprarola. Julian and Emma go alone to his house and find Annabel's sketchbooks and Malcolm's journals. Artists may also trade art between each other using sketchbooks. These Fritz comics were from Crumb's sketchbooks and/or were not originally intended for publication. He used them extensively in his compositional sketchbooks. It also contains extras pulled from the Graphitti hardcover, Marvel's trade paperback and the sketchbooks. They also hold 203 sketchbooks and Hockney's personal photo albums from 1961 to 1990. Picasso's sketchbooks for "Les Demoiselles d'Avignon" illustrate Jouffret's influence on the artist's work. Sketchbooks, photo albums, and some letters are at the Oakland Museum of California, Oakland, California. The design notes for the robot appear in sketchbooks that were rediscovered in the 1950s. Mackintosh did not keep sketchbooks, which reflects her reliance on imagination rather than on nature. He traveled to Europe from 1802, typically returning with voluminous sketchbooks. A volume drawn from Spiegelman's sketchbooks, "Be A Nose", appeared in 2009.