Matches in Library of Congress for { ?s ?p Engineering personnel.. }
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10
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- 39028761 subject "Engineering personnel.".
- 56014216 subject "Engineering personnel.".
- 57063244 subject "Engineering personnel.".
- 72903591 subject "Engineering personnel.".
- 73901957 subject "Engineering personnel.".
- 76905224 subject "Engineering personnel.".
- 78908730 subject "Engineering personnel.".
- 79912824 subject "Engineering personnel.".
- 85908565 subject "Engineering personnel.".
- 85908601 subject "Engineering personnel.".