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- Black, H. N. (Henry Neyle)[remove]5
- Russell, S. T. (Simon Tyler)5
- Snell, Absalom West, 1924-[remove]5
- American Society of Agricultural Engineers2
- Award presentations2
- Bull, J. P. (James Porter)2
- Farm Equipment Institute2
- Jeffords, L. G. (Leonard G.)2
- Schwantes, Arthur J.1