Thesis (S.M.)--University of Chicago, Department of Education. / Includes bibliographical references. Also available on the Internet.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/45135547 |
| Date | January 1920 |
| Creators | Liu, Herman C. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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