Musannaf Ibn Abi Shaybah

Hazrat Umar bin Abdul Aziz (may Allah have mercy on him) accepted the testimony of a Magian against a Jew and a Christian.

Hazrat Shurayh used to accept the testimony of some of the People of the Book against others.

Hazrat Aamir accepted the testimony of a Jew against a Christian and of a Christian against a Jew.

Hazrat Ibn Sirin narrates that I was present in the service of Hazrat Shurayh; he saw dust on the feet of some of the polytheists and accepted their testimony.

Ibrahim al-Saigh reports that I asked Hazrat Nafi' about the testimony of some People of the Book for or against others among them. He replied, "It is permissible."

Hazrat Hammad was asked? He replied: The testimony of some of the polytheists is acceptable against others.

Hazrat Sufyan says that Islam is one religion, and disbelief is entirely one community and religion. The testimony of some among them is accepted for others. Hazrat Waki’ says that we say the same.