Books by Paul B. Johnson:
Books in the extended shelves:
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Johnson, Paul B. (Paul Barrus), 1891-1991: Lectures on social hygiene for nurses, 1919 (Treasury Dept., United States Health Service, 1919), also by United States Public Health Service and Katharine Bement Davis (page images at HathiTrust)
Find more by Paul B. Johnson at your library, or elsewhere.