Supported by the following organizations
This is to certify that Pauline Ref successfully completed and received a passing grade in USW30x: Tangible Things: Discovering History Through Artworks, Artifacts, Scientific Specimens, and the Stuff Around You a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Laurel Thatcher Ulrich
300th Anniversary University Professor, Emerita Harvard University
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- Verified Certificate Issued August 9, 2025
- Valid Certificate ID dab6ca632ae64a818fdcf718fc2f7a18