Major Collections of Italian Art, from Medieval and Renaissance, and to a lesser degree, Modern and Contemporary, may be found at the following museums:
J. P. Getty Museum 1200 Getty Center Drive Los Angeles, CA 90049-1687 Tel: (310) 440-7300 http://www.getty.edu/
The Getty's Collections count numerous significant Italian works of art˝too numerous to describe. It is particularly strong in Masters. For a complete description of Getty art holdings, consult their Dept. of Collections, some of which are digitized: http://www.getty.edu/research/conducting_research/digitized_collections/.
Norton Simon Museum of Art
411 W. Colorado Blvd.
Pasadena, CA 91105-1825
Tel: (626) 449-6840
Its European collections include: Bellini, Giorgione, Francesco di Giorgio Martini, Jacopo da Ponte,Guercino, Canaletto, etc.: See COLLECTIONS: http://www.nortonsimon.org/collections/
LACMA has a famous group of Roman antiquities, several of which came from prestigious British collections (Hope and Lansdowne), in addition to medieval, Renaissance, Baroque, and 18th and 19th-century Italian art. Some artists represented in the collection are Rosso Fiorentino, Jacopo Bellini, Canaletto, Andrea della Robbia, Batoni, Soldani-Benzi, and Baglione. LACMA has a significant group of sculptures related to the Ginori porcelain manufactory.Online database of its collections: http://collectionsonline.lacma.org/