Matches in Library of Congress for { ?s ?p Reference (Philosophy). }
- 94178966 subject "Reference (Philosophy)".
- 94222302 subject "Reference (Philosophy)".
- 95019635 subject "Reference (Philosophy)".
- 96006232 subject "Reference (Philosophy)".
- 97034178 subject "Reference (Philosophy)".
- 98212638 subject "Reference (Philosophy)".
- 98226599 subject "Reference (Philosophy)".