All sizes | 04 Phil Kirkland, illus. for Developmental Psychology Today (1971) (The id and the superego) | Flickr - Photo Sharing!
All available sizes | 09 Kveta Pacovska, illus. for Jak Se Hraje Na Dvere a Jine Muzikantske Pohadky by Ilja Hurnik (Czech, 1973) | Flickr - Photo Sharing!