Mishkat al-Masabih
Book 30, Hadith 174
Arabic hadith text
وَعنهُ
أَنه رأى جِبْرِيل مَرَّتَيْنِ وَدَعَا لَهُ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مرَّتَيْنِ. رَوَاهُ التِّرْمِذِيّ
Translation
He told that he had seen Gabriel twice and that God's messenger invoked a blessing on him twice. Tirmidhi transmitted it.