Contributions

  • Edelman, Kate. - Contributor
  • Leach, M. Eileen. - Contributor
  • Klopfer, Helen L. - Contributor
  • University of Pennsylvania. Wharton School of Finance and Commerce. Industrial Research Dept. - Contributor

Publication

1938 - , Philadelphia, Pa, Pennsylvania

Language

English

Word Count

25,000 words, Guess

Page Count

100 pages

Identifiers

Classifications

  • LCCHD5726.P5 N3 no.P-4

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