Counter-espionage laws of the United States : a condensed summary of the amended Espionage and Sedition Act, the Trading-with-Enemy Act, the Sabotage Act, the Selective Service Law, the Passport Act, the Immigration Act, the Alien Enemy Regulations, the Articles of War, relevant sections of the United States Criminal Code and other federal laws restricting personal conduct in time of war / compiled and published by American Protective League.