Sinan Efendi, active 16th century. Manṣūrī, Maḥmūd al-Imām, former owner. DLC Mansuri Collection (Library of Congress) DLC manuscripttext ara Manuscript. Title from fol. 1a. Scribe not identified. Place of writing not determined. Paper; thick, very lightly polished dark cream color laid paper with horizontal chain lines and several watermarks including a crescent moon with a human face in a circle and three crescent moons in a row in descending order of size; black ink with rubrication; catchwords. Sinan Efendi's commentary on a commentary on the 10 categories of Aristotle. Naskh; 25 lines in written area 17.5 x 12 cm. Fol. 1b-10a. "21. III 1260 = 3.521." Library of Congress. Mansuri Collection, 3-521. Binding; black quater leather with black grain sides; former owner's name in lower right corner of cover. Purchase of Mahmud al-Mansuri collection, 1945. Aristotle. Categoriae. Logic--Early works to 1800. Manuscripts, Arabic--Washington (D.C.) https://hdl.loc.gov/loc.amed/amedarabicmss.2016496992