Matches in Library of Congress for { ?s ?p Science and state Soviet Union Congresses.. }
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- 65036291 subject "Science and state Soviet Union Congresses.".
- 77082321 subject "Science and state Soviet Union Congresses.".
- 87014174 subject "Science and state Soviet Union Congresses.".
- 88170995 subject "Science and state Soviet Union Congresses.".
- 90150268%2F%2Fr91 subject "Science and state Soviet Union Congresses.".