Emmet, E. R. Learning to philosophize [by] E. R. Emmet. - Revised ed. - Harmondsworth, Penguin, 1968. - 270 p. 19 cm. LCCN: 68092195 Subjects--Topical Terms: Philosophy--Introductions. LC Class. No.: BD21 / .E5 1968 Dewey Class. No.: 100