3 results filtered with: Trask, John W., 1877-1951
- Books
Vital statistics : a discussion of what they are and their uses in public health administration / by John W. Trask.
Trask, John W., 1877-1951.Date: 1914
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- Online
Municipal ordinances, rules and regulations pertaining to public health : adopted from July 1, 1911 to December 31, 1911, by cities of the United States having a population of over 10,000 in 1910 / compiled by direction of the Surgeon General by John W. Trask.
Date: [1913]
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- Online
A digest of the laws and regulations of the various states relating to the reporting of cases of sickness / by John W. Trask, Assistant Surgeon General ; prepared by direction of the Surgeon General.
Trask, John W., 1877-1951.Date: 1911