Matches in Library of Congress for { ?s ?p 236 19. }
- 87012699 subject "236 19".
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- 87117636 subject "236 19".
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- 88006612 subject "236 19".
- 88013933%2F%2Fr90 subject "236 19".
- 88037963 subject "236 19".
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- 88184286 subject "236 19".