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Sources

  • Domestic Mail Manual. http://pe.usps.gov/archive/html/dmmarchive1209/D041.htm
  • Gibbons, Gail. "The Post Office Book: Mail and How it Moves." Thomas Y. Crowel, 1982.
  • "It's Official: Going Postal is Epidemic." http://crime.about.com/od/issues/a/aa040717.htm
  • Quote Details: Herodotus. http://www.quotationspage.com/quote/24166.html
  • "This Day in History 1991." http://www.history.com/tdih.do?action=tdihArticleCategory&id=1152
  • United States Postal Service Strategic Plan 2006-2010. http://www.usps.com/strategicplanning/stp2006_2010
  • "UPS, USPS Make a Deal." http://atlanta.bizjournals.com/atlanta/stories/
    2006/06/26/daily19.html?jst=b_ln_hl
  • USPS.com. http://www.usps.com/
  • "USPS, UPS Expand Relationship for Domestic Air Transportation." http://www.dmnews.com/cms/dm-news/direct-mail/37326.html
  • "USPS-FedEx Agreement Delivers First-Class Service." http://www.postalproject.com/documents.asp?d_ID=2487
  • US ZIP Codes: How Postal Codes Work. http://www.squidoo.com/us-zip-codes/
  • "Where'd They Get Their Guns?" http://www.vpc.org/studies/wgun911114.htm
  • "Woman Kills Self, 5 at Postal Plant." http://www.usatoday.com/news/nation/2006-01-31-postal-shooting_x.htm
  • Zip Code FAQ. http://www.carrierroutes.com/ZIPCodes.html
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