| 1 |
no. 102
The economy of the American people : progress, problems, prospects / by Gerhard Colm and Theodore Geiger
pbk.. - ]. - Washington : National Planning Ass. , 1958
|
| 2 |
no. 106
Automation : its impact on business and labor / John Diebold ; and a statement by the NPA Committee on Automation
Washington, D.C. : National Planning Association , 1959
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| 3 |
no. 115
The economy of the American people : progress, problems, prospects / by Gerhard Colm and Theodore Geiger
: pbk. - 2nd ed. - Washington : National Planning Ass. , c1961
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