ANNUAL REPORT OF THE SURGEON GENERAL, U. S. PUBLIC HEALTH SERVICE, FOR THE FISCAL YEAR 1938: SUMMARY

Eitemau Tebyg

• Annual Report of the Surgeon General of the Public Health Service of the United States for the Fiscal Year 1938
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1939)
• Annual Report of the Surgeon General of the Public Health Service of the United States, for the Fiscal Year 1939
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1940)
• Annual Report of the Surgeon General of the Public Health Service of the United States for the Fiscal Year 1931
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1932)
• Annual Report of the Surgeon General of the Public Health Service of the United States for the Fiscal Year 1933
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1934)
• Annual Report of the Surgeon General of the Public Health Service of the United States for the Fiscal Year 1935
  gan: Ravenei, Mazÿck P.
  Cyhoeddwyd: (1936)