Thesis (Ph. D.)--Columbia University, 1929. / Without thesis note. "The present investigation was made, and this volume was prepared ... by Mr. Robert A. Brady."--Pref.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/613959330 |
| Date | January 1929 |
| Creators | Brady, Robert A. |
| Publisher | New York, National industrial conference board, Inc., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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