Goodman, Nelson, Languages of art an approach to a theory of symbols. - Indianapolis Bobbs-Merrill [1968] - xiii, 277 p. illus. (part col.) 22 cm. LCCN: 68031825 Subjects--Topical Terms: SymbolismKnowledge, Theory ofSigns and symbols LC Class. No.: BH301.S8 / G6 Dewey Class. No.: 110