مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 1624
Funerals
What to say to one who is dying - Section 2
وَعَن عَائِشَةَ قَالَتْ: إِنَّ أَبَا بَكْرٍ قَبَّلَ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَهُوَ مَيِّتٌ. رَوَاهُ التِّرْمِذِيّ وَابْن مَاجَه
She said that Abu Bakr kissed the Prophet (ﷺ) when he was dead. Tirmidhi and Ibn Majah transmitted it.
Mishkat al-Masabih, 1624صَحِيح (الألباني)