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Start Over Author Post Office Department Sudoc Stem P 4.5

211. Mail matter. Cost ascertainment: Instruction letter H [July 1, 1929], Tests in carrier service.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:H/5

212. Mail matter. Cost ascertainment: Instruction letter I [July 1, 1929], 3d and 4th class post offices.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:I/5

213. Mail matter. Cost ascertainment: Instruction letter K [July 1, 1929], Rural delivery service.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:K/4

214. Mail matter. Cost ascertainment: Instruction letter L [July 1, 1929], Measurement and apportionment of floor space [occupied by main post offices and by all stations, except contract, and branch offices].

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:L/2

215. Mail matter. Cost ascertainment: Instruction letter M [Sept. 23, 1929], Record of revenue, pieces, and weight of mail transported on domestic and foreign contract air-mail routes.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:M

216. Mail matter. Cost ascertainment: Instruction letter R [July 1, 1929], Railway Mail Service distribution and tests.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:R/7

217. Mail matter. Cost ascertainment: Instruction letter S [July 1, 1929], Railway Mail Service time report.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:S

218. Mail matter. Cost ascertainment: Instruction letter T [July 1, 1929], Large terminal R. P. O. time reports and tests.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:T/4

219. Mail matter. Cost ascertainment: Instruction letter U [July 1, 1929], Record of revenues by classes on drop mails and station letter-box collections by Railway Mail Service.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:U/4

220. Mail matter. Cost ascertainment: Instruction letter V [July 1, 1929], Railway Mail Service volume tests.

Corporate/Agency Authors:: Post Office Department
Publisher:: Post Office Department
Date:: [1929.]
SuDoc number:: P 4.5:V/4

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