Ahmad Shawqi Ibrahim Umraji

• al-Hayah al-siyasiyah wa-al-fikriyah lil-Zaydiyah fi al-mashriq al-Islami, 132-365 H/749-975 M
• al-Mutazilah fi Baghdad wa-atharuhum fi al-hayah al-fikriyah wa-al-siyasiyah