Four valuable lessons in Assyrian Language 1- Unforgettable memories about Patriarch Mar Dinkha IV I lived close to him in Chicago. 2 - Two Chaldean Catholic Patriarchs and their relations with the Assyrian Church of the East and the Assyrian people. 3 - Books published by Church of the East Prelates and Priests. 4 - Prophet of Islam Covenant to Patriarch of the Church of the East.