"Source and Stimulus: Polke, Lichtenstein, Laing" by Sigmar Polke is a 2019 hardcover textbook published by Lévy Gorvy. The book, written by Roy Lichtenstein, explores collections, catalogs, and exhibitions of work by Polke, Lichtenstein, and Laing. With a focus on art, this English-language publication spans 136 pages and showcases the work of these influential artists in a visually appealing format. As a valuable resource for art enthusiasts and students, this textbook offers insights into the work of these prominent figures in modern art.