Shirwānī, Aḥmad ibn Muḥammad, -1837 or 1838; Ḥasan; ṣiddīqī, Muḥammad Aḥsan; Sayyid Aḥmad (1926) Nafhat al-Yaman fī mā yazūl bi-dhikrihi al-shajan. Maṭbaʻ al-Mujtabā'ī. ISBN: .