Ascertainment of cost of handling and transporting several classes of mail matter and conducting special services for purpose of making report to Joint Commission of Congress on Postal Service : Instruction letter D-b (series D); expenditures, group "b," 1st-class post offices.
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| Format: | Government Document eBook |
| Language: | English |
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Washington :
U.S. GPO,
1922.
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| Online Access: | Connect to the full text of this electronic document |
Internet
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