Goodman, Nelson. Languages of art : an approach to a theory of symbols / Nelson Goodman. - 2nd ed. - Indianapolis : Hackett, 1976. - xiii, 277 p. : ill. (part col.) ; 22 cm. + pbk. Includes index Subjects--Topical Terms: SymbolismSigns and symbols.Knowledge, Theory of Dewey Class. No.: 704.94