The Postal System "History of the United States Postal Systems" "History of the United States Postal Systems" "ABOUT.COM/New York Times" "History of the United States Postal Systems" "History of the United States Postal Systems" "History of the United States Postal Systems" "History of the United States Postal Systems" "History of the United States Postal Systems" "History of the United States Postal Systems" before the Declaration of Independence the post office. History of the United States Postal Systems The New York Times Company/About.com History of the United States Postal Service 1775-1993 "ABOUT.COM/New York Times" "History of the United States Postal Systems"