https://torontodawah.com/ebook-the-bequest-of-allamah-al-muhaddith-shaykh-abdurrahman-bin-yahya-al-muallimi-al-yamaani-to-his-student-the-virtuous-teacher-muhammad-bin-yahya-al-muallimi/
[EBOOK] The Bequest Of ‘Allamah Al-Muhaddith Shaykh Abdurrahman Bin Yahya Al-Mu’allimi Al-Yamaani To His Student, The Virtuous Teacher Muhammad Bin Yahya Al-Mu’allimi