Sirr al-asrār fī ʻilm al-āthār ; Shamsīyah fī al-kashf ʻan mā awdaʻ fī al-Jadāwil al-zahrīyah. سر الاسرار في علم الاثار ؛ شمسية في الكشف عن ما أودع في الجداول الزهرية

Kislak Center for Special Collections, Rare Books and Manuscripts, Ms. Codex 1918. 1500. Set of texts about geomancy. The second is a commentary and abridgement of a longer work on geomancy (ʻilm al-raml) by ʻUmar ibn Aḥmad ibn ʻAlī al-Khitāʼī. Penn Libraries Catalog: go to Franklin