Matches in Library of Congress for { ?s ?p Electric transformers.. }
- 98170571 subject "Electric transformers.".
- 98171226 subject "Electric transformers.".
- 98229027 subject "Electric transformers.".
- 98903937 subject "Electric transformers.".
- 99161660 subject "Electric transformers.".
- a12000628 subject "Electric transformers.".
- a13000674 subject "Electric transformers.".
- a52005955 subject "Electric transformers.".
- af48002170 subject "Electric transformers.".
- gs19000233 subject "Electric transformers.".
- mic53000606 subject "Electric transformers.".