Matches in Library of Congress for { ?s ?p Research institutes Soviet Union.. }
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- 78417475 subject "Research institutes Soviet Union.".
- 81466567 subject "Research institutes Soviet Union.".
- 84150491%2F%2Fr85 subject "Research institutes Soviet Union.".
- 87117153 subject "Research institutes Soviet Union.".
- 87126466 subject "Research institutes Soviet Union.".
- 87157197 subject "Research institutes Soviet Union.".
- 92110748 subject "Research institutes Soviet Union.".