Postage rates 1789-1930
Subtitle: abstract of laws passed between 1789 and 1930, fixing rates of postage and according free mail privileges
By: United States Post Office Department, Third Assistant Postmaster General, Division of Classification.
Publisher: Govt. Print. Off.
Published: 1930
Place of publication: Washington, D.C
Language: eng
Number of pages: 55
Subjects: Postal rates -- United States.; Franking privilege.