1. Or 13400/2 Reference (shelfmark): Or 13400/2 Title: Risālah fī maʿrifat al-ṣāʿ wa-al-madd Scope & Content: Author: ʿAlī ibn ʿUmar Subject: Agriculture--Early works to 1800 Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 17th century Extent: 1 item