"Pliny's Natural History (AD 77-79) served as an indispensable guide to and exemplar of the ideals of art for Renaissance artists, patrons, and theorists. Bearing the imprimatur of antiquity, the Natural History gave permission to do art on a grand scale, to value it, and to see it as an incomparable source of prestige and pleasure. In Pliny and the Artistic Culture of the Italian Renaissance, Sarah Blake McHam surveys Pliny's influence, from Petrarch,...