Industrial classification code.
Material type:
TextPublication details: Washington, D.C., Federal Security Agency, Social Security Board, 1942.Edition: 3d edDescription: 3 vSubject(s): DDC classification: - 331.7
- HA40.I6 U65 1942
Reproduced from type-written copy.
"Prepared by the Social Security Board, Committee on Industrial Classification Practices."--Foreword.
I. Description of industries.--II. Manufacturing index.--III. Nonmanufacturing index.
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