| ID | 339821 |
| Call Number | X:84,D.73.N4/H5/034524 |
| Title Proper | Labor savings in American industry 1899-1939 |
| Language | ENG |
| Author | Fabricant, Solomon |
| Publication | NEw York, National bureau of Eco. Research, 1945. |
| Description | 52p 23cm |
| Classification Number | X:84,D.73.N4 |