A note in the hand of C.W. Previté-Orton on fo. 1 reads 'Life of Pope Sixtus V in Italian closely allied to that of Leti and the Corsini MS (see Ranke's 'Popes', Appendix, Sect. IV.1)' i.e. Leopold Ranke's The Popes of Rome. This note appears to refer to Gregorio Leti's Vita di Sisto V. pontefice Romano (Lausanne, 1669) and to a manuscript in the Biblioteca Corsiniana in Rome titled 'Detti e fatti di papa Sisto V'.
270 x 210mm. 479 folios. Paper; unidentified watermarks on fo. 1 (small circle radiating six points, within circle) and fos 179-181 (anchor within circle, six-pointed star above, F below). Binding: limp vellum with three vellum sewing supports; 'Vita di Sisto V' written on spine. Single 17th-cent? hand throughout.
Circular sticker on front cover inscribed '476/6'. Faint pencil inscription on fo. 1 of James H. Reddan? Given to the library by Charles William Previté-Orton (1877-1947) in 1929 (book label).