Thesis (Ph. D.)--Columbia University. / Vita. On verso of t.-p.: Copyright 1915. Pub. also as Contributions to education, Teachers college, Columbia University, no. 73. "References": p. 26. Also available in digital form on the Internet Archive Web site.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/5984423 |
| Date | January 1914 |
| Creators | Barranco, Manuel, 1884- |
| Publisher | New York city, Teachers college, Columbia university, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Mexico. |
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