REFERENCE BOOKS, 7 VOLUMES: Harry N. Abrams, the Library of Great Painters. n.d. Jonathan Brown, “Franciso de Zurbarán"; Ludwig Münz, “Rembrandt Harmensz van Rijn"; David Rosand, “Titian"; José Gudiol, “Francisco de Goya y Lucientes"; Alfred Moir, “Caravaggio"; H. P. Baard, “Frans Hals"; Jack Wasserman, “Leonardo da Vinci"