Johannes de Sacro Bosco, Computus. Decoration: 1 historiated initial 'C'(ompotus) in colours and gold of a scholar teaching, at the beginning of the text. Diagrams in brown and red ink, some with green washes (ff. 34v, 36v, 39v (in a shape of the Uroboros), 42r, 43r, 45r, 53r).
