Book: “Tahzib al-Ahkaam”.
31 – Muhammad ibn Sinan asked imam ar-Ridha about marriage with Jews and Christians? He said: No harm in that. And I asked: “What about majoosiyah?” He said: “No harm in that”, meaning in mutah (with them).
32 – From Mansur as-Siql from Abu Abdullah (alaihi salam): “No harm for man to make mutah with majoosiyah”.
33 – Similar report from Abu Abdullah from other way.