[This is about the Messengership of Muhammad (UWBP) and is the answer, in concise index-like form, to the first of the three questions and difficulties in the Third Principle of the Thirty-First Word, about his Ascension.]
Ibn Hisham, al-Sirat al-Nabawiyya, i, 124-7, 158, 190, 192; al-Bayhaqi, Dala’il al-Nubuwwa, i, 126-30; Abu Nu’aym, Dala’il al-Nubuwwa, i, 122-8.
al-Bayhaqi, Dala’il al-Nubuwwa, i, 19; al-Suyuti, al-Khasa’is al-Kubra, i, 81.
al-Bayhaqi, Dala’il al-Nubuwwa, i, 19, 126; Abu Nu’aym, Dala’il al-Nubuwwa, i, 139.