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Credit
State Board of Health of Massachusetts : a brief history of its organization and its work, 1869-1912 : material compiled mainly from the reports of the Board. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.