The U.S. mail network
Subtitle: who pays, who plays
By: Gordon Imrie.
Contributors: Harvard University. Program on Information Technologies and Public Policy
Series: Working paper / Harvard University, Program on Information Technologies and Public Policy -- 76-3; Working paper (Harvard University.  Program on Information Technologies and Public Policy) -- 76-3
Publisher: Harvard University
Published: 1976
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 148
Subjects: United States Postal Service.; Postal service -- United States
Notes: Bibliography: p. 134-148.