Municipal health department practice for the year 1923 : based upon surveys of the 100 largest cities in the United States / made by the United States Public Health Service in cooperation with the Committee on Administrative Practice, American Public Health Association.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Municipal health department practice for the year 1923 : based upon surveys of the 100 largest cities in the United States / made by the United States Public Health Service in cooperation with the Committee on Administrative Practice, American Public Health Association. Public Domain Mark. Source: Wellcome Collection.