books.google.fr - With over 750 entries, the Encyclopedia of United States National Security is the first single, concise reference source to provide accurate and informative answers to the many challenging questions of how, why, when, and where national security has evolved. In addition to presenting historical facts...https://books.google.fr/books/about/Encyclopedia_of_United_States_National_S.html?hl=fr&id=K751AwAAQBAJ&utm_source=gb-gplus-shareEncyclopedia of United States National Security
