Creative Illustration: Andrew Loomis
Creative Illustration summarizes several design principles worthy of noting besides formal and informal subdivisions. An early chapter on the Form Principle lays out some overall principles. Notes could be seen in the downloaded pdf of the book: https://illustrationage.files.wordpress.com/2013/04/andrew-loomis-creative-illustration.pdf . I do have a hard copy of the book published by Titian Books in 2012. We can see from the contents that this 1947 book covers many composition topics of interest. Even though I have concentrated on his Informal Subdivision method, a review of the other principles he discusses would be helpful. Loomis states that "Formal Subdivision was almost the only approach in earlier times, and great compositions have been built with it. It is largely the formality of design which lends such magnificence to the work of Michelangelo, Rubens and Raphael". He also stated that for the Illustration book he would not presume to analyze the masterpieces since