Labor savings in American industry, 1899-1939.
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
National Bureau fo Economic Research Ann Arbor : University microfilms ,
1966.
|
| Series: | [National Bureau of Economic Research] Occasional paper
23 |
| Subjects: |
| Physical Description: | 52 p. : illus. |
|---|