Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:10194 – al-Ḥusayn b. Isḥāq al-Tustarī > al-Qāsim b. Dīnār > Isḥāq b. Manṣūr > ʿAbd al-Salām b. Ḥarb > Abū Khālid al-Dālānī > al-Ḥakam > Abū Maʿmar > ʿAbdullāh

[Machine] "I saw the Prophet ﷺ perform two salutations (i.e., the act of greeting by saying 'As-Salamu Alaikum')."  

الطبراني:١٠١٩٤ – حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ ثنا الْقَاسِمُ بْنُ دِينَارٍ ثنا إِسْحَاقُ بْنُ مَنْصُورٍ عَنْ عَبْدِ السَّلَامِ بْنِ حَرْبٍ عَنْ أَبِي خَالِدٍ الدَّالَانِيِّ عَنِ الْحَكَمِ عَنْ أَبِي مَعْمَرٍ عَنْ عَبْدِ اللهِ قَالَ

«رَأَيْتُ النَّبِيَّ ﷺ يُسَلِّمُ تَسْلِيمَتَيْنِ»  

See similar narrations below:

Collected by Suyūṭī