1. Letter from United States Army, Office of the Surgeon General to Michael Heidelberger Publication: Produced: 3 January 1918 Subject(s): World War ISexually Transmitted DiseasesSyphilis Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
2. Estimated Number of Cases of Syphilis Among Adults Publication: Produced: [April 1918] Subject(s): World War ISexually Transmitted DiseasesSyphilis Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
3. Memorandum from Michael Heidelberger to the United States Army, Office of the Surgeon General Publication: Produced: 30 April 1918 Subject(s): World War ISexually Transmitted DiseasesSyphilis Archival Collection: The Michael Heidelberger Papers (Profiles in Science)