51. Guercino, The Burial of St. Petronilla, 1621-23. Rome, Capitoline Museum (formerly St. Peter's)

52. Valentin de Boulogne, The Martyrdom of Sts. Processus and Martinianus, 1627. Oil on canvas, 308 x 165 cm., Vatican, Pinacoteca (formerly St. Peter's) .

53. Domenico Zampieri, called 'Domenichino,' The Last Communion of St. Jerome, 1614. Vatican, Pinacoteca (formerly St. Peter's)

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