Catalog essays discuss Poussin's early years in Rome 1624-ca. 1633, Sacraments and Bacchanals; variations on a classical style 1633-48; the iconography of Possin's Sacraments, technical notes on the Sacraments; the two series of the Seven Sacraments and their comparison (First series: one destroyed, five in the collection of the Duke of Rutland, Belvoir Castle; Baptism in the National Gallery, Washington. Second series in the National Gallery of Scotland, Edinburgh, on loan from the collection of the Duke of Sutherland); the drawings of Poussin. Includes a selection of poussin x-rays and an anthology of Poussin criticism. Full catalog entries. -- AATA