Città del Vaticano, Biblioteca Apostolica Vaticana, Vat.lat.1089 Scribe(s) <alpha> (1r-107v), <beta> (108r-133r) Century 14 | 15 Language Latin Material Membran Height × width 294 x 215 No. of leaves 133 Numbering ff. Gatherings Quiniones (ex ultimo amborum operum quattuor ultima folia nullo textus detrimento excisa sunt) No. of hands 2 No. of columns 2 cols. Initials etc. Litterae maiores rubro aut caeruleo Coats of arms }ex scuta Pii VI et F. X. Zelada card. bibliothecarii Printed catalogs A. Pelzer, Codices Vaticani Latini, Tomus II (1931), 686-7 Publ. descriptions Glorieux, 1971, S.234; Codices Vaticani Latini 2, 1931-33, S.686f.; Source Katalog Folkerts | Pelzer Type of source cat. | cat. (ms.) Source’s source insp. Work 1Title (standard) Lectura sive Quaestiones anonymae in librum I Sententiarum Item no. 1 Folio no. 1r- Work 2Author standard Hervaeus Natalis Title (ms.) Tractatus de unitate formarum Title (standard) Tractatus de unitate formarum Contents Usque ad v. (133r) ampliat potentiam materie ad receptionem alterius et maxime quando omnia illa sunt effectu Item no. 2 Folio no. 108-133 | 108r-