1. Or 12609 Reference (shelfmark): Or 12609 Title: El-letaif - اللطائف Scope & Content: This volume contains a treatise by Osman İbn-i Sait on ilm-i zamair, a kind of riddle or play on words. This manuscript was copied in 1287 AH (1870-71 CE). Collection Area: Oriental Manuscripts Languages: Turkish, Ottoman Date Range: 1287 Extent: 1 text, 25 ff