131 / 214 Leon Battista Alberti, Ludi rerum mathematicarum Save Share Ask a Question Beyond Words Illuminated Manuscripts in Boston Save Share Ask a Question Paper, ff. 17, 276 x 203 (195 x 120) mm Collection Houghton Library Date c. 1475–1500 External Link http://nrs.harvard.edu/urn-3:FHCL.HOUGH:1267672 Institution Harvard University Map PDFs Place Rome, Italy Shelfmark MS Typ 422.2 Gradual, monastic or parish use Parchment, ff. i + 175 + i, 357 … Leaves from a book of hours Parchment, 4 leaves, 102 x 58 mm (each) Collective indulgence Parchment, originally with 14 + 1 seals laced … Gratian, Decretum Parchment, 1 leaf, 380 x 255 (318 x … Prayer book with hours for seven days of the week Parchment, ff. 195, 195 x 140 (115–18 x … Boston Collections Devotional picture book Parchment, ff. i + 26 + i, 135 … Explore chevron-right