Primary Sources:

Abū Bakr al-Ḥussaynī al-Baghdādī: “Remaining in Iraq and al-Shām”
Shaykh Abū Muḥammad al ‘Adnānī al-Shāmī: “Ignore Them and Their False Allegations”

Shamūkh al-Islām Forum: “Important: Regarding the Recent Events in Bilād al-Shām”
The results of the meeting of all the fighting forces in the city of اl-Bab with the Sharia Committee to discuss the general mobilization

بسم الله الرحمن الرحيم وعليه اتوكل وبه استعين والصلاة وا… – justpaste
Secondary Sources:
Jabhat al-Nusra and the Islamic State of Iraq and ash-Sham: Aleppo Area by Aymenn al-Tamimi
Jabhat al-Nusra and the Islamic State of Iraq and ash-Sham: Deraa Governorate by Aymenn al-Tamimi
الصراع بين أجنحة جبهة النصرة في سوريا أنهك التنظيم.. والخلافات وصلت لحد التخوين – Asharq Alawsat
Analysis: Zawahiri’s letter to al Qaeda branches in Syria, Iraq – The Long War Journal
Shiite religious building destroyed by Al Qaeda offshoot in Syria | Al Bawaba
Special Report: Syria’s Islamists seize control as moderates dither | Reuters
Special Report: How Syria’s Islamists govern with guile and guns | Reuters
Analysis – Al Qaeda’s Syria rift may lead to open conflict among jihadis | Reuters
Jabhat al-Nusra and the Islamic State of Iraq and ash-Sham: Deir ez-Zor and the wider east of Syria