| ID | 285178 |
| Call Number | Y:5.73/G8/021652 |
| Title Proper | Problems of a changing population |
| Language | ENG |
| Author | U.S. National Resource Committee Population Problem |
| Publication | Washington,D.C., National Research Committee, 1938. |
| Price. Qualification | $1.00(GIPE Ex) |
| Classification Number | Y:5.73 |