Hadith No: 1
Al-Daraqutni - Sunan al-Daraqutni - Book of Hajj - Chapter on Miqats
Volume: (3) - Page Number: (333)
2693 - Abdullah ibn Muhammad ibn Abdul Aziz narrated to us, saying: Abu al-Rabi' al-Zahrani narrated to us, saying: Hafs ibn Abi Dawud narrated to us, from Layth ibn Abi Sulaym, from Mujahid from Ibn Umar, who said: The Messenger of Allah (peace be upon him and his holy progeny) said, "Whoever performs Hajj and then visits my grave after my death, it is as if he has visited me during my life."

---

Reference: Sunan Aldaaraqtani Book 3

Hadith No: 2
Al-Daraqutni - Sunan al-Daraqutni - Book of Hajj - Chapter on the Miqat
Volume: (3) - Page Number: (334)
2695 - Thna: al-Qadi al-Mahmali, Na: Ubayd Allah ibn Muhammad al-Warraq, Na: Musa ibn Hilal al-Abdi, from Ubayd Allah ibn Umar, from Nafi from Ibn Umar, who said: The Messenger of Allah (peace be upon him and his holy progeny) said: "Whoever visits my grave, my intercession becomes obligatory for him."

---

Reference: Sunan Aldaaraqtani Book 3