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Subject
- Articles.1
- Business and Industry1
- Businessmen -- Political activity.1
- Businessmen.1
- Clippings (information artifacts)[remove]1
- Correspondence.1
- Engineers.1
- Genealogies (histories)1
- Legislators -- United States.1
- Machine-tool industry -- United States.1
- Mechanical engineering.1
- Negatives (photographs)1
- Photographs.1
- Politics, government and public administration1
- Scrapbooks.1
- Screw-threads, Standard.1
- Scripts (documents)1
- Speeches (documents)1
- Standards, Engineering.1