880-01 ʻAṭṭār, Ḥasan ibn Muḥammad, 1776?-1834 or 1835. 880-04 Manṣūrī, Maḥmūd al-Imām, former owner. DLC Mansuri Collection (Library of Congress) DLC manuscripttext ara Brief treatise on substance and essence in Islamic philosophy. Manuscript. Title from cover. Scribe Place of writing not determined. Colophon states that al-ʻAṭṭār completed the work on 22 Rabīʻ al-awwal 1228 (25 March 1813). Paper; slightly yellowed cream color laid paper with horizontal chain lines and watermark of a crescent moon with a human face within a lozenge shaped shield; black ink; catchwords. Naskh; 25 lines in written area 18 x 9.5 cm. Fol. 1b-8b. "19. III 1127 = 3.386." Library of Congress. Mansuri Collection, 3-386. Binding; black quarter leather with black grain sides; former owner's name in lower right corner of cover. Purchase of Mahmud al-Mansuri collection, 1945. Substance (Philosophy) Islamic philosophy. Manuscripts, Arabic--Washington (D.C.) https://hdl.loc.gov/loc.amed/amedarabicmss.2016404933