"A compilation of treatises, tables, and excerpts on computus and astronomy; identified texts include excerpts from Bede's De temporum ratione, Hugh of Saint-Victor's De Tribus Maximis Circumstanciis Gestorum, and Isidore of Seville's De natura rerum liber. One fragment is erroneously attributed to Bede.
Includes from Bede, De ratione temporum, ff. 2-46; Computistical text erroneously attributed to Bede, ff. 69v-70; a text similar to that printed as Argumenta de titulis paschalibus aegytiorum investigata solertia / Dionysiums Exiguus, ff. 70-74; Computistical text on the sun and the moon entering the various signs of the zodiac, f. 74v; Text on the length of the lunar month, ff. 74v-75; Hugh of Saint Victor, De tribus maximis circumstanciis gestorum, ff. 75v-96v; Isidore De natura rerum, ff. 97-112v."
[Spain(?), between 1175 and 1200]

http://www.columbia.edu/cu/lweb/digital/collections/cul/texts/ldpd_9512432_000/index.html