Alternative Sources of the Sermons Of Hazrat Ali (as) Molla 
To the people of Kufa before proceeding for the Battle of Jamal. 
To the people of Kufa after the conquest of Basra. 
To the Qadhi of Kufa, Shurayh b. Haarith when he purchased a costly house. 
To one of the commanders of his army. 
To the hypocrite Ash'ath bin Qays when he usurped public funds. 
To Mu'awiya on his (Ali's) right to the caliphate. 
To Mu'awiya, on receiving letters from him based on hypocritical advice and false accusations. 
Jarir bin Abdullah Bajali was sent to Damascus. He was carrying a letter for Mu'awiya. Some delay occurred in his return. Imam Ali (a) felt anxious about his safety and wrote the following letter to him. 
To Mu'awiya. To Mu'awiya. 
Part of instructions to his marshal when Imam Ali (a) sent him to a battle. 
When Imam Ali (a) sent an expedition of 3000 soldiers under Ma'qil bin Qays Riyahi against the Syrians, he issued the following instructions.
  Instructions to Muhammad b. Abu Bakr when he appointed him as the Governor of Egypt. A famous reply to the letter of Mu'awiya. It throws ample light on many phases of the history of Islam from the time of its dawn up to the time of Imam Ali (a).
To the people of Basra. 
To Mu'awiya. 
Advice to one of his sons after returning from the Battle of Siffin. Some historians consider him to be Imam Hasan (a) while others are of the opinion that he was Muhammad Hanafiya. He wrote them in the form of a will. They deal with almost every aspect of life which goes a long way to make a man successful in life - brave, humane, generous, virtuous and pious. 
To Mu'awiya. 
To Qutham b. Abbas, the brother of Abdullah b. Abbas, who was the Governor of Imam Ali (a) in the province of Hijaz. 
Muhammad, son of Abu Bakr (the 1st caliph) was one of the favourite disciples and companions of Imam Ali (a). Imam Ali (a) had treated and trained him like his own son and had appointed him as the Governor of Egypt. Later on Imam Ali (a) called him back from Egypt and sent Maalik Ashtar as the Governor. Muhammad thought that he was deposed and felt sad about it. When Imam Ali (a) came to know of this he wrote the following letter to him. 
When Muhammad bin Abi Bakr was killed in Egypt by the guerrillas of Mu'awiya through disloyalty of his (Muhammad's) own companions and officers, Imam Ali (a) felt sad and wrote the following letter to Abdullah b. Abbas. 
To his brother Aqil. It so happened that Zahaak bin Qays Fahri was sent to Makkah by Mu'awiya with a force of guerrillas to ravage the city. Imam Ali (a) had sent Hujr bin Adi Kindi to defend the city of Makkah. Hujr defeated Zahaak. Aqil at that time was in Makkah. He wrote to Imam Ali (a) offering his voluntary services saying that the Quraysh were not sincerely serving the cause of Islam and were bent upon the enmity of Imam Ali (a). In reply Imam Ali (a) wrote this letter. 
Thank you.
best regds
Bahlool
Pakistan