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Titles
- Evaluation of the industrial hygiene problem of the State of Colorado1
- Evaluation of the industrial hygiene problems of Illinois1
- Excerpt from Fred Soper's diary4
- Excerpt from Report of the Director of the Hospital to the Corporation of the Rockefeller Institute for Medical Research, April 8, 19391
- Excerpt from Report of the Director of the Institute to the Corporation of the Rockefeller Institute for Medical Research, October 27, 19391