Matches in Library of Congress for { ?s ?p 438.6/421 20. }
Showing items 1 to 9 of
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- 88080631%2F%2Fr90 subject "438.6/421 20".
- 89035525%2F%2Fr97 subject "438.6/421 20".
- 91016518 subject "438.6/421 20".
- 91039826 subject "438.6/421 20".
- 91044142 subject "438.6/421 20".
- 91163096 subject "438.6/421 20".
- 93040655 subject "438.6/421 20".
- 94036016 subject "438.6/421 20".
- 95020012 subject "438.6/421 20".