| ID | 298660 |
| Call Number | Y.73,g/H8/025705 |
| Title Proper | Training guide on the cosstrol |
| Language | ENG |
| Publication | Columbia, Bureau of Applied Social Research, Columbia University, 1948. |
| Description | 48p |
| Price. Qualification | $1.00 |
| Classification Number | Y.73,g |