Technological Changes and Employment in the United States Postal Service : Bulletin of the United States Bureau of Labor Statistics, No. 574
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At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Charles E. Baldwin, acting commissioner.
"Prepared by Dr. Witt Bowden, of the United States Bureau of Labor Statistics."--Acknowledgment.
Issued also as House doc. 392, 72d Cong., 2d sess.
U.S. Govt. Print. Off.
- lcc: HD8051 .A62 no. 574
- sudocs: L 2.3:574
- oclc: 24438624