1820. [MALTHUS] SAY, Jean-Baptiste. LETTRES A M. MALTHUS, SUR DIFFERENS SUJETS D'ECONOMIE POLITIQUE, NOTAMMENT SUR LES CAUSES DE LA STAGNATION GENERALE DU COMMERCE. Paris: Chez Bossange, 1820. First edition. [4] + 184 pp. 8vo., original paper covered boards, half calf with gilt ruled spine, with new gilt tan leather spine label. Ex-library with usual markings and owner's name in red pencil on title page. Occasional light foxing to margins within. Letters written by Say upon reading Malthus' PRINCIPLES OF POLITICAL ECONOMY. Kress C 617, Einaudi 5115, Goldsmiths 22780.