He was proficient in Arabic and English and learned French, German and Syriac for his archival research in history. He wrote almost a hundred articles on various medical topics including general surgery, and urology, half of them in English and half in Arabic. Ten of his books were written in English, including "Notes on Embryology" (unpublished), "Essentials of Urinary and Genital Disease" (1946), and eight volumes of the Annual Report of the Orient Hospital (AROH) (1948–1955). "The Contributions of the Arabs to the Medical Sciences" (1936) and "The Tradition According to Omar" (1940) were written in Arabic. His articles on urology dealt with cystoscopy, pyolography, hematuria, genitourinary tuberculosis, renal and ureteral lithiasis, hemangioma of the urinary bladder, calculi, prostatic enlargement, and prostatic cancer.