Activity Listings
- Letter from Mary E. Ray, Secretary, Emergency Committee of Atomic Scientists, to Dorothy Loeb. Thanks her for her letter and writes that just in case the letter they sent to her friend did not reach her, they are sending her another one. [Letter from Loeb to Ray, October 28, 1947, Letter from Loeb to Ray, November 29, 1947]. LP Peace: Box 3.005, Folder 5.3
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