United States Postal Service

• Domestic Mail Manual (USPS)
• International Mail Manual (USPS)
• Memo to Mailers (USPS)
• Postage Rates (USPS)
• Postal Bulletin (USPS)
• Postal Inspection Service (USPS)
• Postmaster Finder (USPS)
• U.S. Postal Service: Better Guidance Is Needed to Improve Communication Should
  Anthrax Contamination Occur in the Future, April 2003 General Accounting Office)
• U.S. Postal Service: Data Needed to Assess the Effectiveness of Outsourcing, July 2008
  (Government Accountability Office)
• U.S. Postal Service: Delivery Performance Standards, Measurement, and Reporting
  Need Improvement, July 2006 (Government Accountability Office)
• U.S. Postal Service: Deteriorating Financial Outlook Increases Need for
  Transformation, February 2002 (General Accounting Office)
• U.S. Postal Service: Guidance on Suspicious Mail Needs Further Refinement, July 2005
  (Government Accountability Office)
• U.S. Postal Service: Key Elements of Comprehensive Postal Reform, January 28, 2004
  (General Accounting Office)
• U.S. Postal Service: Strategic Transformation Plan 2006-2010 (USPS)
• U.S. Postal Service: Vulnerability to Fluctuating Fuel Prices Requires Improved Tracking and
  Monitoring of Consumption Information, February 16, 2007 (Government Accountability Office)
• U.S. Postal Service Web (USPS)
• The U.S. Postal Service's Use of Contractors to Deliver Mail, February 20, 2008 (CRS Report
  for Congress via Open CRS)
• Zip Code Look-Up