Predicates of birth [of Imam Mahdi (hgr)]

Prophet Muhamad (pbuh & h) and Imams have informed about the birth of a baby for Imam Hasan Askari, who has hidden after he was born.
Statistics of collected narrations, in this area, in the book “Kamal Al-Din”, as follows:
From prophet Muhamad (pbuh & h); forty five narrations
From Imam Ali (pbuh)…
From majesty Zahra (pbuh); four narrations
From Imam Hasan (pbuh); tow narrations
From Imam Hussain (pbuh); five narrations
From Imam Sajjad (pbuh); nine narrations
From Imam Bagher (pbuh); seventeen narrations
From Imam Sadegh (pbuh); fifty seven narrations
Total of all narrations which has arrived us in books like “Kafee, Al-Ghaybah, Kamal Al-Din, etc.” is more than one thousand narrations.
From the article of Ayatollah Muhamad Bagher Irwani, “Intizar Mo’ud” Journal, No.5