Hadith No: 1
Al-Bayhaqi - Sunan al-Kubra - Book of Sharecropping - Chapter on Cutting Off the Sidra
Volume: (6) - Page Number: (231)
[The text is lengthy, so only the relevant excerpt is provided here]
11765 - It was narrated from Ibrahim ibn Yazid, as Abu Abdullah al-Hafiz informed us: Abu Sa'id Ahmad ibn Muhammad ibn Waki' narrated to me, saying: Ibrahim ibn Nasr al-Dhubi narrated to us, saying: Salih ibn Musammar narrated to us, saying: Hisham ibn Sulayman narrated to me, from Ibrahim ibn Yazid, from Amr ibn Dinar, from Ja'far ibn Muhammad ibn Ali, from his father, from his grandfather, from Ali, who said: The Messenger of Allah (peace be upon him and his holy progeny) said: "Go out and announce to the people from Allah, not from His Messenger: 'May Allah curse anyone who cuts off the sidra.'" Thus, our Sheikh mentioned it in Gharā'ib al-Shuyukh.

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Reference: Al-Sunan al-Kubra Book 6

Hadith No: 2
Al-San'ani - Al-Mufannaf - Kitab al-Jami' - Chapter on Cutting the Sidr
Volume: (11) - Page Number: (11)
19757 - Abdul Razzaq said: I heard Al-Muthanna narrating from Amr ibn Dinar, from Muhammad ibn Ali Abu Ja'far, who said: The Prophet (peace be upon him and his holy progeny) said to Ali in the illness in which he died: "Go out, O Ali, and speak on behalf of Allah, not on behalf of the Messenger of Allah: 'May Allah curse those who cut the sidr.'"

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Reference: Al-Musannaf Book 11

Hadith No: 3
Al-Muttaqi al-Hindi - Kunz al-Ummal fi Sunan al-Aqwal wal-Af'al
Volume: (3) - Page Number: (895)
9068 - He narrated, "So announce to the people a message from Allah, not from His Messenger: 'May Allah curse the one who cuts off a branch.'"

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Reference: Kanz al-Ummaal fi Sunan al-Aqwaal wa al-Af'aal Book 3