الكافي- ط الاسلامية, volume 6, page 263

2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from Muhammad ibn Sinan from ‘Ammar ibn Marwan from Sanaa ‘ah who has said the following: “I once asked abu ’Abd Allah, ‘Alayhi al-Salam, about the food of the people of the book and what is lawful for food thereof. He (the Imam) said, ’It is grains.’”

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

3. Abu Ali al-Ash‘ariy has narrated from Muhammad ibn ‘Abd al-Jabbar from Safwan from ‘Is ibn al-Qasim who has said the following: “I once asked abu ‘Abd Allah, Alayhi al-Salam, about eating with the Jews, Christians and Zoroastrians. He (the Imam) said, ’If the food belongs to you then make wudu (wash) and eat with them; it is not unlawful.’”

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

4. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ali ibn al-Hakam from ‘Abd Allah ibn Yahya al-Kahiliy who has said the following: “I once asked abu ‘Abd Allah, Alayhi al-Salam, about the case of a Muslim people who take food and a Zoroastrian man comes to them; if they can invite him for food. He (the Imam) said, ‘I do not eat food with Zoroastrians and I dislike making unlawful for you what you do in your lands.’”

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