1. My father and all of my scholars narrated to me from Sa’d ibn ‘Abdillāh, from Aḥmad ibn Muḥammad ibn ‘Isā, from Muḥammad ibn Khālid Al-Barqi, from Ja’far ibn Nājiyah, who said: Abū ‘Abdillāh (Imam Sādiq ) said: Prayers should be established next to the head of the grave of Ḥusain . The above Ḥadīth has also been narrated to me through the following chain: Muḥammad ibn ‘Abdillāh, from his father ‘Abdillāh ibn Ja’far Al-Ḥimyari, from Abī ‘Abdillāh Al-Barqi, from Ja’far ibn Nājiyah, from Abī ‘Abdillāh .