Max Wertheimer on Perceptual Grouping - Adapted by Charles F. Schmidt from Max Wertheimer, Untersuchungen zur Lehre von der Gestalt, II. Psychologishe Forshung, 1923, 4,301-305.
Max Wertheimer Page - About life and work of Gestalt psychology founder Max Wertheimer, including bibliography and Wertheimer web resources.