الكافي- ط الاسلامية, volume 7, page 398

1. A number of our people have narrated from Sahl ibn Ziyad and Ali ibn Ibrahim has narrated from his father all from ibn Mahbub from ibn Ri’ab from abu ‘ Ubaydah who has narrated the following: “Abu ‘ Abd Allah (a.s.), has said that testimony of Muslims is admissible against the people of all other nations. The testimony of taxpayers is not admissible against Muslims.”’

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

2. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa from Yunus from Zur’ah from Sama‘ah who has narrated the following: “I once asked abu ’Abd Allah (a.s.), about the testimony of members of other nations. He (the Imam) said, ‘It is admissible only against the people of their nation, however, if no one can be found to bear witness about the will (of a Muslim), then their testimony is acceptable because invalidating one’s right is not proper.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

3. Ali ibn Ibrahim has narrated from his father from al-Nawfaliy from al-Sakuniy who has narrated the following: “Abu ’Abd Allah (a.s.), has said that ’Amir al-Mu’minin, Ali (a.s.), has said, ‘If Jews and Christians bear testimony then become Muslims, their testimony is admissible.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

4. Ali has narrated from Muhammad ibn ‘Isa from Yunus from Muhammad ibn Muslim who has narrated the following: “I once asked one of the two Imam, (abu Ja’far or abu ‘Abd Allah), ‘Alayhim al-Salam, about a child, a slave and a Christian who bear testimony; then the Christian becomes a Muslim, if his testimony becomes admissible. He (the Imam) said, ‘Yes, it becomes admissible.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

5. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn abu Najran from Muhammad ibn Humran who has narrated the following: “I once asked abu ‘Abd Allah (a.s.), about a Christian man who bears a testimony, then becomes a Muslim if his testimony is acceptable. He (the Imam) said, ‘Yes, he is in the right position to testify.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

6. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hisham ibn al-Hakam who has narrated the following: “About the meaning of the words of Allah, most Majestic, most Glorious, ’. . .or two from people other than your people,’ (5:106) abu ‘Abd Allah (a.s.), has said, ‘This applies when a man is away from his land where Muslims are not found, then appointing non-Muslims as witness to a will is permissible.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.