Sub-series3a1- William Welch and William H. Howell Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1916-1927)
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Sub-series3a10- Michael Klag Correspondence, Dean's Office, Johns Hopkins University Bloomberg School of Public Health (2005-2017)
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Sub-series3a11- Ellen MacKenzie Correspondence, Dean's Office, Johns Hopkins University Bloomberg School of Public Health (2017-present)
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Sub-series3a2- William H. Howell Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1927-1931)
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Sub-series3a3- Wade Hampton Frost, Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1931-1934)
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Sub-series3a4- Allen W. Freeman Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1934-1937)
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Sub-series3a5- Lowell J. Reed Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1937-1947)
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Sub-series3a6- Ernest L. Stebbins Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1947-1967)
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Sub-series3a7- John C. Hume Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1967-1977)
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Sub-series3a8- Donald A. Henderson Correspondence, Dean's Office, Johns Hopkins University School of Hygiene and Public Health (1977-1990)
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Sub-series3a9- Alfred Sommer Correspondence, Dean's Office, Johns Hopkins University Bloomberg School of Public Health (1990-2005)
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