Fluid Concepts and Creative Analogies by Douglas R. HofstadterGödel, Escher, Bach - An Eternal Golden Braid by Douglas R. HofstadterGödel's Proof by Hofstadter, Douglas R. Nagel, Ernest Newman, James RoyI Am a Strange Loop by Douglas R HofstadterMetamagical Themas - Questing For The Essence Of Mind And Pattern by Douglas R. HofstadterThe Mind's I - Fantasies and Reflections on Self & Soul by Douglas R. Hofstadter, Daniel C. Dennett.pdfVirtual Music - Computer Synthesis of Musical Style by Douglas R HofstadterSurfaces and Essences - Analogy as the fuel and fire of thinking by Hofstadter, Douglas R and Sander, Emmanuel