I just got this book through Amazon. It's about the Cartoon Modern movement between the 1940s to the 1960s. It discusses the influences on the movement: cubism, organic biomorphic forms, abstract work, printing, minimalism, geometric forms, and caricatures. It has a large amount of work that should be look at as the basis for the movement. In fact, I'll post up a few short animated episodes so you can get a well rounded idea.
I can't stop going through this book. Its given me so many ideas for a variety of projects.