skos:altLabel | - Scientific Research Society of North America, Sigma Xi
- SIGMA XI - The Scientific Research Society
- Scientific Research Society
- Sigma XI
- Sigma Xi Distinguished Lecturer
- Sigma Xi Research Honor Society
- Sigma Xi Society
- Sigma Xi the Scientific Research Society
- Sigma Xi, The Scientific Research Society
- Sigma Xi: The Scientific Research Honor Society
- Sigma Xi: The Scientific Research Society
- Sigma-Xi
- Society of Sigma Xi
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