Thesis (Ph. D.)--Catholic University of America, 1936. / Published also as The Catholic university of America, Educational Research bulletins, vol. 10, no. 1. Includes bibliographical references (p. 181-184).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/301242844 |
| Date | January 1936 |
| Creators | Heffernan, Arthur James. |
| Publisher | Washington, D.C. : Catholic University of America, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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