Seyyed Mostafa Khomeini used to attend Arba'een walk regularly

It has been recalled through a series of memoirs about Mostafa Khomeini’s participation at Arba’een walk and rally during his stay with Imam while in exile show their devotion towards the people of the Prophet's Household.

Martyr Seyyed Mostafa Khomeini was the light of Imam khomeini's eyes

Islamic Scholars' Viewpoints about Martyr Ayatollah Seyyed Mostafa Khomeini

Imam asked Qibla direction for performing prayers.

A memoirs by Hameed Rouhani

Imam Khomeini: Victory and honor upon the Islamic movement of the honorable Iranian women!

Sahifeh- ye- Imam, V 14, P 274

Unity of the Seminary and the university

Imam left no luxury items, no property except some books

(Extracted from a collection about memoirs about Imam Khomeini)

Why Khomeini was sent into exile in 1964?