Hadith No: 1
Alqisi - Al-Muntakhab min Musnad Abd ibn Humaid - Abu al-Hamra' Mawla of the Prophet (peace be upon him and his holy progeny)
Volume: (1) - Page: (173)
475 - Al-Duhhak ibn Mukhlid narrated to me, Abu Dawud al-Sabiyi narrated to me, Abu al-Hamra' narrated to me, saying: I accompanied the Messenger of Allah (peace be upon him and his holy progeny) for nine months, and he would stand by the door of Ali and Fatimah (peace be upon them) in the morning, saying, "May Allah have mercy on you!": {“Indeed, Allah only intends to remove the impurity from you, O People of the Prophet's House, and to purify you with a thorough purification”} (Surah Al-Ahzab 33:33), from Imran ibn Husayn, from his father.

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Reference: Masnad Abd ibn Hameed Book 1

Hadith No: 2
Al-Khatee - Al-Muntakhab min Musnad Abd ibn Humeid - Musnad Anas ibn Malik (r)
Volume: (2) - Page: (244/245)
1221 - Aththanathna: Afraan ibn Muslim said: Hammad ibn Salamah narrated to us from Ali ibn Zayd from Anas ibn Malik that the Messenger of Allah (peace be upon him and his holy progeny) would pass by Fatimah's door for six months when he went out to the Fajr prayer, saying: "Prayer, O People of the House": {“Indeed, Allah intends to remove the impurity from you, O People of the House, and to purify you with a thorough purification”} (Surah Al-Ahzab 33:33).

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Reference: Masnad Abd ibn Hameed Book 2