Città del Vaticano, Biblioteca Apostolica Vaticana, Barb.165 Additional shelfmarks Pieralisi I, 227-34 Old shelfmarks Barb. IX. 34; 731; VII. A.1 Century 13/14 Language Latin Material Membr. No. of leaves 415 Printed catalogs T. Silverstein, Medieval Latin Scientific Writings in the Barberini Collection (1957) 38-41 Publ. descriptions For general description of ms. see Lacombe. Source Silverstein (1957) Type of source cat. Source’s source insp. Work 1Title (standard) Tractatus de fractionibus vulgaribus Incipit MUltiplex est modus scribendi huius artis. scilicet. in numeracione minuciarum vulgarium... Item no. 34 Folio no. 405v-406v Rubric Incipit tractatus de fractionibus vulgaribus Explicit et sic .2. integrorum aut radix cubita igitur et sic de aliis:- Explicit tractatus algoristicus de fractionibus vulgaribus:-
