547. hadíth
وَ أَوْصَى أَبُو جَعْفَرٍ عَلَيْهِ اَلسَّلاَمُ أَنْ يُنْدَبَ فِي اَلْمَوَاسِمِ عَشْرَ سِنِينَ.
Imam al-Baqir (a.s) willed that he be lamented (mourned) during special gatherings for ten years.
Man Lā Yaḥḍuruh al-Faqīh
Shaykh Muḥammad b. ʿAlī al-Ṣaduq
Content
The Chapter of Condolences and Grief During Calamities, Visiting Graves, Lamentation and Mourning Gatherings
A fordítás angol nyelvű (Bab Ul Qaim Publications), forrás: Thaqalayn.net.