Contributions

  • Lewis, Janet H., joint author. - Contributor
  • University of Pennsylvania. Wharton School of Finance and Commerce. Industrial Research Dept. - Contributor

Publication

1939 - , Philadelphia, Pa, Pennsylvania

Language

English

Word Count

14,000 words, Guess

Page Count

56 pages

Identifiers

Classifications

  • LCCHD5726.P5 N3 no. P-8

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