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- Author(s):
- Parkes, Louis Coltman, 1857-1942, author
Kenwood, Henry R. (Henry Richard), 1862-1945, author
- Publication:
- Philadelphia : P. Blakiston's Son & Co., 1923
- Subject(s):
- Hygiene
Public Health
- Author(s):
- Price, George M. (George Moses), 1864-1942 author
- Publication:
- Philadelphia : Lea & Febiger, 1924
- Subject(s):
- Public Health