pamphlet no. 1-7 National Roster of Scientific and Specialized Personnel creator United States Employment Service text xx Washington U.S. Govt. Print. Off. [1947] 1947 monographic eng

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7 v. 24 cm. no. 1. Agricultural and biological sciences.--no. 2. Engineering sciences.--no. 3. Medical service occupations.--no. 4. Medical professions.--no. 5. Miscellaneous professional fields.--no. 6. Physical sciences.--no. 7. Social sciences. Occupations Professions United States HF5381 .N345 371.425 l 47000039 DLC 780807 20260227111540.0 l 47000039