Pre-Felton works after Cortona
Strange after Cortona Caesar putting away Pompeia {by 1868?} NGV [PR]
Strange after Cortona Romulus and Remus {by 1868?} NGV [PR]

Berrettini, named after his home town of Cortona, was equally successful as both architect and painter in Italian High Baroque Rome. His achievements have been overshadowed to some extent by the brilliance of his contemporaries Bernini and Borromini.

Refs.

For further details and references, see Rudolf Wittkower, Art and Architecture in Italy, 1600-1750, Pelican History of Art, 1958 and later editions (refer index); Bénézit 10, p.1418 (listed under Pietro) and AKL 10 (1995), pp.1-8 (listed under Berrettini; giving his date of birth as 1597)