Musannaf Ibn Abi Shaybah

Hazrat Aisha (may Allah be pleased with her) and Hazrat Abdullah bin Abbas (may Allah be pleased with them both) narrate that Hazrat Abu Bakr Siddiq kissed the Prophet Muhammad (peace and blessings be upon him) after his passing.

Hazrat Aisha (may Allah be pleased with her) narrates that the Holy Prophet (peace and blessings be upon him) kissed Hazrat Uthman bin Maz'oon after his passing, and I saw that the tears of the Prophet (peace and blessings be upon him) were flowing down his blessed cheeks.

Hazrat Aisha (may Allah be pleased with her) narrates that Hazrat Abu Bakr Siddiq kissed the Prophet Muhammad (peace and blessings be upon him) after his passing.

Hazrat Abdullah al-Bahi narrates that after the passing of the Prophet Muhammad (peace and blessings be upon him), Hazrat Abu Bakr Siddiq came, removed the cloth from the face of the Prophet (peace and blessings be upon him), leaned over him and kissed him, and then said: "May my parents be sacrificed for you (peace and blessings be upon you), how pure was your life and how pure is your death."

Hazrat Asim bin Bahdalah narrates that when Hazrat Abu Wa'il passed away, Hazrat Abu Burdah kissed his forehead.