The Prophet (peace and blessings be upon him) visiting his mother's grave

Sayyiduna Buraydah (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) visited his mother's grave amid a thousand veiled horsemen, and no one was ever seen weeping more than on that day.
This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it.

It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) visited his mother's grave, and he (peace and blessings be upon him) wept and made those around him weep too. Then he said: "I asked my Lord for permission to visit her grave, and He gave me permission; and I asked permission to pray for forgiveness for her, but I was not given permission. So visit the graves, for they remind of death."
This hadith is sahih (authentic) on the condition of Muslim, but they did not record it.

Sayyiduna Buraydah (may Allah be pleased with him) narrates: We were with the Messenger of Allah (peace and blessings be upon him) in the company of about a thousand riders. He (peace and blessings be upon him) halted with us and led us in two rak'ahs of prayer. Then he turned his radiant face towards us, and he (peace and blessings be upon him) had tears flowing from his eyes. Sayyiduna Umar (may Allah be pleased with him) went forward to him (peace and blessings be upon him) and, offering his mother and father as ransom for him (peace and blessings be upon him), said: O Messenger of Allah, what is the matter with you? He (peace and blessings be upon him) said: "I asked my Lord, the Mighty and Majestic, for permission to seek forgiveness for my mother, but He did not give me permission, so my eyes filled with tears out of love for her. And I asked Him for permission to visit her, and He gave me permission. And I had forbidden you from visiting graves; now visit them, and let your visiting them be a means of increasing you in good."
This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it.

Sayyiduna Abdullah bin Abi Mulaykah narrates that one day Sayyidah Aishah (may Allah be pleased with her) was coming from the direction of the graveyard. I said to her: O Mother of the Believers, where are you coming from? She said: From the grave of my brother Abd al-Rahman bin Abi Bakr. I said: Did the Messenger of Allah (peace and blessings be upon him) not forbid visiting graves? She said: Yes, he (peace and blessings be upon him) had forbidden it, but later he commanded that they be visited.

It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "I had forbidden you from visiting graves. Listen! Now visit them, for it softens the heart, brings tears to the eyes and reminds of the Hereafter; and do not say idle or indecent words (there)."

It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "I had forbidden you from visiting graves; now whoever wishes to visit a grave, let him visit it, for it makes the heart tender (soft), makes the eye shed tears and reminds of the Hereafter."