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- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- May 1, calendar day May 3, 1933
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1932
- SuDoc number:
- EB 1.1:932
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1932
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- [1932.]
- SuDoc number:
- EB 1.2:Ef 4
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1931
- SuDoc number:
- EB 1.1:931
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1931
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1930
- SuDoc number:
- EB 1.1:930
- Corporate/Agency Authors:
- Efficiency Bureau
- Publisher:
- Efficiency Bureau
- Date:
- 1930