Broadcast: Early Postal Role” (PDF). Postal History. USPS. July 2008. Recovered 2014-04-18.

“V-Mail” (PDF). Postal History. USPS. July 2008. Filed from the first (PDF) on 2009-05-08. Recovered July 8, 2011.

“E-COM, Electronic Computer Originated Mail” (PDF). USPS. July 2008. Filed from the first (PDF) on 2009-05-08. Recovered July 8, 2011.

“Smart Mail” (PDF). Documented from the first (PDF) on 2012-08-30.

Geddes, Rick. “Do Vital Economists Reach a Policy Conclusion on Postal Reform?” (April 2004). econjournalwatch.org

“Neither Snow nor Sleet … Can Dampen This Monopoly”. Hoover Institution.

Sappington, David E. M.; Sidak, J. Gregory (2003). “Motivators for Anticompetitive Behavior by Public Enterprises” (PDF). Survey of Industrial Organization. 22: 183, 184.

Sidak, J. Gregory (2015). “Expanding the Postal Service’s Profits from Competitive Products”. Diary of Competition Law and Economics. 11 (3): 617. doi:10.1093/joclec/nhv026. Documented from the first on 2017-01-12.

Id.

“Our identity”. USPS.com. Filed from the first on December 23, 2007. Recovered March 31, 2008.

Geddes, Rick (June 1, 2003). “Open doors for Anticompetitive Behavior in Postal Services”. American Enterprise Institute. Recovered 2016-01-02.

“For what reason Can’t You Start a Rival Post Office?”. 19 November 2010.

Mailing Standards of the United States Postal Service Domestic Mail Manual (DMM) – § 600: Basic Standards For All Mailing Services. Pe.usps.com. Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – § 101: Physical Standards. Pe.usps.com. Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – § 601: Mailability. Pe.usps.com (August 20, 1912). Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – Section 102.2.1: Exhibit 2.1 OCR Read Area. Pe.usps.com. Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – § 602.1.5: Elements of Addressing – Return Address. Pe.usps.com. Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – Section 102.2.1: Exhibit 2.1 OCR Read Area. Pe.usps.com. Recovered on July 8, 2011.

“A Customer’s Guide to Mailing” (PDF). Filed from the first on August 25, 2009. Recovered 2013-01-25.

USPS Domestic Mail Manual (DMM) – § 602.1.5.3 Addressing—Required Use of Return Addresses. Pe.usps.com. Recovered on July 8, 2011.

USPS Domestic Mail Manual (DMM) – § 604 Postage Payment Methods. Pe.usps.gov. Recovered on July 8, 2011.

USPS rundown of contractions. Usps.com. Recovered on September 11, 2012.

USPS postal tending to benchmarks. Pe.usps.gov. Recovered on July 8, 2011.

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“U.S. Postal Service Reports Revenue Increase, $5.5 Billion Loss in Fiscal 2014”. USPS. 2014-11-14. Recovered 2015-06-08.

Pence, Herbert (6 November 2011). “Congress didn’t help US Postal Service”. Nashua Telegraph. Recovered 25 March 2012.

Bradley Klapper (2013-12-24). “Top notch stamps to cost 49 pennies as of Jan. 26”. USA Today. Recovered 2015-06-08.

“Content – S.1486 – 113th Congress (2013– 2014): Postal Reform Act of 2014”. USA Congress. 2014-07-31. Recovered 2015-06-08.

“Content – H.R.2748 – 113th Congress (2013– 2014): Postal Reform Act of 2013”. USA Congress. 2013-07-19. Recovered 2015-06-08.

Andrew Miga (2013-08-02). “USPS proposes lifting liquor conveyance boycott”. Representative Review. Recovered 2015-06-08.

Liberto, Jennifer (2013-07-23). “Postal Service moving far from at-your-entryway conveyance”. CNN. Recovered 2015-06-08.

“The Postal Service conveys the last mile, nearly: Changing methods of conveyance”. Spare the Post Office. 2013-06-10. Recovered 2015-06-08.

“S 1486-Postal Reform Act of 2014”. Scribd.com. 2013-08-01. Recovered 2015-06-08.

Andrew Miga (2013-08-02). “U.S. Postal Service Wants To Deliver Alcohol To Your Doorstep”. Huffington Post. Recovered 2015-06-08.

“U.S. Postal Service Testifies Before Congress Urging Elimination of Unfunded Liabilities”. USPS. 2014-03-13. Recovered 2015-06-08.

Joined States Postal Serv. v. Flamingo Indus. (USA) Ltd., 540 U.S. 736 (2004).

Joined States Postal Serv. v. Greenburgh Civic Ass’ns, 453 U.S. 114 (1981).

USPS.com Archived May 9, 2009, at the Wayback Machine.. USPS.com (September 17, 2008). Recovered on July 8, 2011.

Investor, Steve (December 29, 2017). “President Trump, Here’s Why The Postal Service Is Charging Amazon ‘So Little'”. Forbes.

Smith, Jennifer (June 22, 2018). “Trump’s Fix for Postal Service: Privatize It”. The Wall Street Journal.

“The Constitution of the United States: A Transcription”. National Archives. 2015-11-04. Recovered 2017-01-28.

“Statement of purpose” (PDF). about.usps.com.

“Investigate Universal Postal Service and The Postal Monopoly” (PDF). USPS. Recovered 28 January 2017.

“Investigate Universal Postal Service and The Postal Monopoly” (PDF). USPS. October 2008. Recovered February 5, 2017.

Postal Service to reestablish Idaho boondocks mail course Archived March 15, 2012, at the Wayback Machine. Alyson Outen, KTVB-TV, April 10, 2009

Minnick, Walt (2009-05-07). “Idaho designation gets inversion on boondocks mail conveyance choice”. Official statements. Congressman Walt Minnick. Documented from the first on 2010-12-05. Recovered 2013-07-01.

USPS.com Archived June 23, 2011, at the Wayback Machine.. USPS.com (November 26, 2008). Recovered on July 8, 2011.

“FedEx SmartPost® Shipping and Tracking for Low Weight Packages”. FedEx. Recovered April 11, 2012.

“UPS Mail Innovations – Overview”. Joined Parcel Service. Recovered April 11, 2012.

“Need Mail – USPS”. www.usps.com.

“Need Mail Express – USPS”. www.usps.com.