al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم · The Book on Jana''iz (Funerals)

"A man died among the Ansar named Qarazah bin Ka'b, and he was being wailed over. So Al-Mughirah bin Shu'bah came and ascended the Minbar. He uttered thanks and praise to Allah and said: "As for the gravity of wailing in Islam, indeed I heard the Messenger of Allah saying: 'The one who is wailed over is punished as long as he is being wailed over.'"

"The Prophet took Abdur-Rahman bin Awf by the hand and went with him to his son Ibrahim. He found him in his last breaths, so he took him and put him on his lap and cried. Abdur-Rahman said to him: 'You cry? Didn't you prohibit (your followers) from crying?' He said: 'No. But I prohibited two foolish immoral voices: A voice during a calamity while clawing at one's face and tearing one's clothes, and Shaitan's scream.'" And there is more…

His father said: "I saw the Prophet, Abu Bakr, and Umar walking in front of the funeral."

"I saw the Prophet, Abu Bakr, and Umar walking in front of the funeral."

"We were with the Prophet (following) the funeral of Ibn Ad-Dahbah, and he was on a horse that was walking quickly, and we were around him, and he was trotting."

"The Prophet followed the funeral of Ibn Ad-Dahdah walking and he returned on horseback."

"When the Messenger of Allah follows a corpse, he would not sit until (the deceased was) placed in the Lahd. A rabbi came upon him and said: 'This is what we do, O Muhammad'" He said: "So the Messenger of Allah sat, and he said: 'Differ from them.'"

"I prayed for the funeral of a man with Anas bin Malik, so he stood parallel to his head. Then they came with the body of a woman from the Quraish. They said: 'O Abu Hamzah perform the prayer for her.' So he stood parallel to her waist. Al-Ala bin Ziyad said to him: 'Is this how you saw the Messenger of Allah standing in the place for the funeral as you did for her, and for a place that…

The Messenger of Allah said: "Whoever performs the funeral prayer then he will get a reward equal to a Qirat. Whoever follows it until it is buried then he will get a reward equal to two Qirat, one of them, or the least of them, is similar to Uhud (mountain)." This was mentioned to Ibn Umar, so he sent a message to Aishah to ask her about that, and she said: "Abu Hurairah has told the truth." So Ibn Umar…

"A funeral (procession) passed by the Messenger of Allah and they were praising him with good statements. So the Messenger of Allah said: 'Granted.' Then he said: 'You are Allah's witnesses on the earth.'"

"A man killed himself, so the Prophet did not perform Salat over him."

The Messenger of Allah said to him: "O Ali! Three are not to be delayed: Salat when it is due, the funeral when it is presented, and (marriage) for the single woman when someone compatible is found."