Paper; ff. 143; mm. 220_163. Title on spine: 'De Arte / Rhetorica'. The ms. is made up of three sections dated 1564 (A, ff. 1r-47v: '1564 adì p.° Marzo'; C, ff. 48r-95v: '1564 adì xviii Aprile'; E, ff. 96r-143v: '1564 adì 9 marzo').
Paper; ff. 58 + 9 (blank); mm. 339_234; old binding in wood and vellum; 2 columns, 37 lines. Watermark: cf. Briquet 3373 (a. 1460s-1470s; though it is not exactly the same).
Paper; misc., comp.; ff. III, 79, II; mm. 190_270. Old binding in parchment. Watermark: cf. Briquet 13648 (a. 1570). General title at f. IIr: 'Trattati diversi'; the ms. has been part of the Ambrosiana collection since 1603 (Olgiati). One of the…