8. The Europeans, by Luigi Barzini, Simon And Shuster, New York, 1983.

9. The Italians, by Luigi Barzini, A TOUCHSTONE BOOK, published by Simon And Shuster, New York, 1996.

10. Б. Тененбаум. «Великий Макиавелли». Яуза, ЭКСМО, Москва, 2012.

11. The Rise and Fall of Great Powers, by Paul Kennedy, Random House, New York, 1987.

12. Franco, by Paul Preston, Basic Books, A Division of Harpers Collins Publishers, New York, 1994.