Piaget Jean Language and thought of the child - 3 - London Routledge and Kegan Paul U. K. 1959 - xxiv, 288p cm. - International Library of Psychology, Philosophy and Scientific Method . Appendix: P 282-86 Source: General Book Subjects--Topical Terms: PhilosophyEpistemology-Piaget Dewey Class. No.: R2xM96, J9