 This enabled him to study at the University for Foreigners Perugia, where he gained cultural and academic experience.Itzkowitz published many books and articles on The Ottoman Empire and Near Eastern studies.Much of Itzkowitz's work is collaborative, he did much of his studies with Robert Roswell Palmer, Gordon Craig, Cyril Black, his Ottoman history mentor Lewis V. Thomas and psychiatrist and psychoanalyst Vamık Volkan.