Muḥammad ibn ʻAlī Muḥammad Ṣayyād

1969

• al- ʻUrf al-qabalī wa-aḥkāmuhu fī al-Yaman
• al- ʻUrf al-qabalī wa-aḥkāmuhu fī al-Yaman wa-madá qābilīyatuhu lil-takayyuf wa-taqnīn