Text of several commentaries on Aristotle, and scientific and philosophical works by Alexander of Aphrodisias, Jacobus de Duaco, Walter Burley, Giles of Rome, Siger of Brabant, and others.
Vatican City, Biblioteca apostolica vaticana, Cod. Ott. lat. 2165.
Created in the first decade of the 12th century at Thorney Abbey, a Benedictine monastery in Cambridgeshire. St John's 17 is a compilation of texts, tables, maps and diagrams. It is organized around the central theme of time-reckoning and calendar construction.