I suugest that you go to a university or college library and look up the painting in the WORLD PAINTING INDEX (or any of the painting indexes that exist). Usually these books state where the painting resides, and what books have a copy of the illustration. Anita Cohen-Williams Listowner of HISTARCH, SUB-ARCH, & SPANBORD Center for Spanish Colonial Archaeology [log in to unmask]; [log in to unmask]