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Start Over Formats Text ✖Remove constraint Formats: Text Titles Certificate of Appreciation awarded to Oswald Avery from the United States Office of Scientific Research and Development ✖Remove constraint Titles: Certificate of Appreciation awarded to Oswald Avery from the United States Office of Scientific Research and Development Genre Awards ✖Remove constraint Genre: Awards Copyright Public domain ✖Remove constraint Copyright: Public domain

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  • Certificate of Appreciation awarded to Oswald Avery from the United States Office of Scientific Research and Development1