Thesis (Ph. D.)--Northwestern University, 1931. / Without thesis note. Bibliography: p. 154-155.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/551235545 |
Date | January 1932 |
Creators | Lubbers, Irwin Jacob, |
Publisher | Evanston, Ill., Northwestern University, School of Education, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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