Thesis (Ph. D)--Columbia University, 1930. / Vita. Published also as Teachers College, Columbia University, Contributions to education, no. 433. Bibliography: p. 30-31. Also issued in print.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/300559676 |
| Date | January 1930 |
| Creators | Hartley, Helene W. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
Page generated in 0.0016 seconds