al Syi'ah fi al Tarikh : 10-1421 H = 632-2000 M / Sayid 'Abdul Rasul Al Musawiy
Ensiklopedia : golongan, kelompok, aliran, mazhab, partai, dan gerakan islam / Abdul Mun'im al-Hafni;Penerjemah:Muhtarom
Siapa terorisme? siapa Khawarij? / Abduh Zulfikar Akaha; editor, Muhammad Ikhsan
The formative period of islamic thought / Montgomery Watt
Perbandingan Madzhab / M. Hamdani Yusuf
Firq al-Islamiyyah / Ali Mustafa al Garabi
Khabiat al-akwan fi iftiraq al-umam ala al-mazahib wa al-adyan / Malik Muhammad Sadiq Hasan Khan
Pengertian Firqotun-najiyah Thoifah Manshuroh Ghuroba / Salman Al- Audah