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Subjects
- Maguire, J. J.1
- Manufactured Materials1
- Marks, M. R.1
- Martin, J. K.1
- Mayo, R. M. (Robert Murphy), 1836-1896.1
- McCoun, John P.1
- McLean, Eug. E. (Eugene E.)1
- Meals1
- Medical Records1
- Military Medicine2
- Military Medicine -- organization & administration3
- Military Personnel147
- Military Personnel -- education1
- Military Personnel -- legislation & jurisprudence7
- Military Science2
- Mining6
- Mitchell, G. D., active 1863.2
- Mobile Health Units -- organization & administration2