Al-Hamawi, Baha' Al-Din. "Al-Gharat al-jawiya wa-l-Difa' al-Salbi." Majallat al-Imarah 1, no. 2 (1939): 104-105. [French: Les raids aériens et la défence passive." / English: "Air Raids and Passive Defense."]
Ibrahim Sayed Karim on behalf of Majallat al-Imarah