• publisher: Govt. Print. Off.
  • creator: United States Bureau of Education, United States Public Health Service, Benjamin Charles Gruenberg
  • contributor: unknown library
  • mediatype: texts
  • years: 1922
  • pages: 115
  • language: English
  • lccn: 22026564
  • notes: At head of title: Treasury Department. United States Public Health Service.
  • download: pdf file