Letters sent by the Postmaster General 1789-1836 :
pamphlet accompanying microcopy no. 601 /
The National Archives
APA Citation
National Archives (U.S.). (1965). Letters sent by the Postmaster General 1789-1836: pamphlet accompanying microcopy no. 601. Washington, D.C.: National Archives and Records Service, General Services Administration.
MLA Citation
National Archives (U.S.). Letters Sent by the Postmaster General 1789-1836: Pamphlet Accompanying Microcopy No. 601. Washington, D.C.: National Archives and Records Service, General Services Administration, 1965.
Warning: These citations may not always be complete (especially for serials).