Matches in Library of Congress for { ?s ?p 621.39/16 21. }
- 98158693 subject "621.39/16 21".
- 98183607 subject "621.39/16 21".
- 98229016 subject "621.39/16 21".
- 99027116 subject "621.39/16 21".
- 99060129 subject "621.39/16 21".
- 99062355 subject "621.39/16 21".
- 99063200 subject "621.39/16 21".
- 99063820 subject "621.39/16 21".
- 99064207 subject "621.39/16 21".
- 99095022 subject "621.39/16 21".
- 99210299 subject "621.39/16 21".
- 99462617 subject "621.39/16 21".