Funerals (Kitab Al-Jana'iz) 
Dawud :: Book 20 : Hadith 3157
Narrated Aisha, Ummul Mu'minin:
I saw the Apostle of Allah (peace_be_upon_him) that he kissed Uthman ibn Maz'un while he was dead, and I saw that tears were flowing (from his eyes).
Funerals (Kitab Al-Jana'iz)
Dawud :: Book 20 : Hadith 3157
Narrated Aisha, Ummul Mu'minin:
I saw the Apostle of Allah (peace_be_upon_him) that he kissed Uthman ibn Maz'un while he was dead, and I saw that tears were flowing (from his eyes).