1. ʻUmdat al-ṭullāb fī maʻrifat ʻilm al-ḥisāb : manuscript, 1637ʻUmdat al-ṭullāb fī maʻrifat ʻilm al-ḥisāb Creator: Muḥammad ibn Aḥmad ibn Muḥammadمحمد بن احمد بن محمد، Language: Arabic Geographic region: No place, unknown, or undetermined
