Letters sent by the Postmaster General, January 2, 1837-March 6, 1861
Subtitle: Record group 28, Records of the Post Office Department
Publisher: National Archives and Records Administration
Published: 1985
Place of publication: Washington, D.C
Language: eng
Format: microform :
Number of pages: 12
Subjects: Archives; Postal service; History; Sources; United States. Post Office Department
Notes: Includes indexes.