Michael MacCallan Light out of Deep Darkness: A Biography of Arthur Ferguson MacCallan the Trachoma Pioneer and his Campaign against the Plague of Ophthalmia in Egypt 1903 - 1923 - 2nd ed. - Gloucester: The Choir Press, 2018 - 324 p., ill.; 26 cm ISBN: 9781911589440 Subjects--Personal Names: Arthur Ferguson MacCallan--Egypt--1903-1923 Subjects--Topical Terms: History--Ophthalmology--Egypt--20th century--MedicineMedicine--Diseases--Egypt