The Sigma Xi Society records consist of materials relating to the Michigan State Sigma Xi Society Chapter and broader Sigma Xi Scientific Research Honor Society. The Michigan State Chapter portion of the collection includes information regarding the foundation and history of the Michigan State Chapter; by-laws and constitutions; membership policy, lists, and cards; initiation programs; meeting minutes and correspondence; officer records; supported research essays and awards; and engagement with the Agricultural Experiment Stations. The Sigma Xi Scientific Research Honor Society portion of the collection consists of official information brochures and handbooks; Semi-Centennial and 80th Jubilee Annual Meeting information; and a copy of the Society's Quarterly Publication.