Water and Impurities:
- The Ruling on Water Whose Colour Has Changed
- The Ruling on Human and Animal Blood
- The Purity of Urine and Dung of Animals
- The Impurity of the Dog and Washing the Vessel if It Licks It
- The Ruling on Bird Droppings on the Body
- The Ruling on the Purity of Khamr
- The Ruling on Using Products That Contain Pig Fat
Al-Wuḍūʾ (Ablution):
- The Description of Wuḍūʾ and Its Legislated Supplications
- The Ruling on Saying the Tasmiyah When Performing Wuḍūʾ
- The Ruling on Making Supplications at Each Part of Wudūʾ
- On The Obligation of Order in Wuḍūʾ
- The Ruling on Washing the Face More Than Three Times
- The Ruling on Making Wuḍūʾ Inside a Bathroom
- The Authenticity of the Hadith of Aws ibn Abī Aws
- The Authenticity of the Hadith of ʿUqbah ibn ʿĀmir
On What Invalidates Wuḍūʾ and What Does Not:
Shaykh Rabīʿ al-Madkhalī said about him:
“He is the mujaddid in the lands of Yemen,” and he said:
“There cannot be found—from the time of ʿAbd al-Razzāq al-Ṣanʿānī to this present day—someone who established the daʿwah and revived it like al-Wādiʿī.”