Art Reference Monographs -- Blunt (Anthony): Nicolas Poussin, New York, [1967], 2 vols., 4to, -- The Age of Correggio and the Carracci, Washington, [1986], 4to -- Friedlaender (Walter): Claude Lorrain, Berlin, 1921, 4to -- Christoffel (Ulrich): Poussin und Claude Lorrain, Munich, [1942], 4to -- Tolnay (Charles de): Michelangelo; The Medici Chapel, Princeton, [1970], 4to -- Bechtel (Edwin de T.): Jaques Callot, New York, 1955, 4to -- Combe (Jacques): Hieronymus Bosch, Munich, [n.d.], 4to; and 15 others on named artists. (15)