first edition, 1415 AH.
46 – al-Radd ʿalā man Yaqūl al-Qurʾān Makhluq (A Refutation of Those Who Say that the Quran Is Created), by Abū Bakr Aḥmad ibn Salmān al-Najjād; edited by Riḍā Allāh Muḥammad Idrīs, Maktabat al-Ṣaḥābah al-Islāmiyyah – Kuwait, first edition, 1400 AH.
47 – Rafʿ al-Astār li-Ibṭāl Adillat al-Qāʾilīn bifanāʾ al-Nār (Lifting the Veils to Invalidate the Proofs of Those Who Assert that the Fire Will Come to an End), by Imam Muḥammad ibn Ismāʿīl al-Ṣanʿānī; edited by Shaykh Muḥammad Nāṣir al-Dīn al-Albānī, first edition, 1405 AH.
48 – Ziyādat al-Īmān wa Nuqṣānahu wa Ḥukm al-Istithnāʾ fīh (The Increase and Decrease of Faith and the Ruling on Making an Exception Concerning It), by Dr. ʿAbd al-Razzāq ibn ʿAbd al-Muḥsin al-Badr, Dār Kunūz Ishbīliyā, second edition, 1427 AH.
49 – Silsilat al-Aḥādīth al-Ṣaḥīḥah (Series of Authentic Hadiths), by Muḥammad Nāṣir al-Dīn al-Albānī, Maktabat al-Maʿārif, first edition, 1415 AH.
50 – Silsilat al-Aḥādīth al-Ḍaʿīfah (Series of Weak Hadiths), by the hadith scholar Muḥammad Nāṣir al-Dīn al-Albānī, Maktabat al-Maʿārif, second edition, 1420 AH.
51 – al-Sunnah, by Ibn Abī ʿĀṣim al-Ḍaḥḥāk ibn Mukhlad al-Shaybānī, together with Ẓilāl al-Jannah fī Takhrīj al-Sunnah; edited by Shaykh Muḥammad Nāṣir al-Dīn al-Albānī, al-Maktab al-Islāmī, fourth edition, 1419 AH.