June 23, 1940
Certificate with text: "This is to certify that Linus Pauling is a member of Alpha
Chi Sigma Fraternity. Initiated June 23, 1940."
Presented by Alpha Chi Sigma.
Subject: MembershipsName: Alpha Chi SigmaID: 1940h.1
Linus Pauling: Awards, Honors and Medals
Featuring items from the Ava Helen and Linus Pauling Papers.
Presented by Oregon State University Libraries' Special Collections & Archives Research Center.
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