The first treatise in MS 169 is seemingly a uniquely extant text (noted in Thorndike and Kibre's Catalogue of Incipits. In the late 15th-century hand of Robert of Sherburn, it is entitled Expositio cum questionibus super textu Rasis in 9o Almansoris. The text itself is contained on ff. 3r-37r, and on ff. 41-44 there is an index to the text. The treatise seems to be questions, or a form of commentary, on...