註1 On the back of Stanton’s letter Lincoln scribbled his approval: “The Secretary of War has my authority to exercise his discretion in the matter within mentioned.” Lincoln’s Surveillance State
註2 Washington Postでは、米NSAがケーブルオペレータのGlobal Crossingの管理する米本土のNOC（Network Operations Center）にすぐにアクセスできるよう同社と協定を結んでいるなどと指摘しているが、ただしこの協定は国家機密とされたままで、取り組みの全容は不明らしい。 Agreements with private companies protect U.S. access to cables’ data for surveillance
註3 GCHQ taps fibre-optic cables for secret access to world's communications
註4 U.S. Postal Service Logging All Mail for Law Enforcement
註5 Poor Penmanship Spells Job Security for Post Office's Scribble Specialists
