Revenue, pieces, and weight by classes of mail, and special services for .

U.S. Postal Inspection Service bulletin.

Annual report of the United States Postal Service.
Published: (1996)

Postal Service's mail monopoly /
by: McCalip, Bernevia
Published: (1991)

U.S. Postal Service Realignment of First-Class Mail Delivery Standards : Just Say Slow.
Published: (1990)

Second-class mail matter.
Published: (1890)

Postal Service's mail monopoly : is it time for change? /
by: McCalip, Bernevia
Published: (1996)

Technological changes and employment in the United States Postal Service.
Published: (1932)

Special delivery of mail matter.
Published: (1921)

Letters from the Postmaster General to Hon. Boies Penrose relative to increase of postage rates on periodical publications mailed as second-class matter.
Published: (1911)

Second-class mail matter.
Published: (1899)

Mailing of second-class matter.
Published: (1932)

Second-class mail matter.
Published: (1898)

Mailing of second-class matter.
Published: (1932)

Filing of Information by Publications Having Second-Class Mail Privileges : hearings before the United States House Committee on Post Office and Civil Service, Subcommittee Appointed To Consider H.R. 10696 and H.R. 10689, Eighty-Seventh Congress, second session, on Sept. 11, 1962.
Published: (1962)

Third-class mail matter.
Published: (1888)

Second-class mail matter.
Published: (1896)

Second-class mail matter.
Published: (1888)

Messengers in the mail service.
Published: (1886)

Mail service : how H.R. 3717 would change current law /
by: McCalip, Bernevia
Published: (1996)

Return of second-class mail matter.
Published: (1890)

Postage on first-class mail matter.
Published: (1884)

Transient second-class mail matter.
Published: (1932)

Transient second-class mail matter.
Published: (1932)

Postal Inspection Service's monitoring and control of mail surveillance and mail cover programs : hearings before the Subcommittee on Postal Facilities, Mail, and Labor Management of the Committee on Post Office and Civil Service, House of Representatives, Ninety-fourth Congress, first session, ...
Published: (1975)

Postage on second-class mail matter at letter-carrier offices.
Published: (1882)

Applications for entry as second-class mail matter.
Published: (1934)

U.S. Postal Service workforce size and employment categories, FY1995-FY2014 /
by: Francis, Kathryn A.
Published: (2018)

The U.S. Postal Service mail monopoly issue : history, background, changes, and economic effects /
by: McCalip, Bernevia
Published: (1979)

Transient second-class mail matter.
Published: (1926)

Memo to mailers.

Mailers companion.

Postal bulletin.

Annual report of the Postmaster General.

[Resolution on mailing of periodicals, tracts, leaflets, or other similar publications, by sack.].
Published: (1894)

Mail messenger service.
Published: (1924)

Amending the postal laws to include as second-class matter religious periodicals publishing local information.
Published: (1935)