Annual Report of the Surgeon General of the Public Health Service of the United States for the Fiscal Year 1931

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 1933
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1934)
• Annual Report of the Surgeon General, Public Health Service of the United States, Fiscal Year Ended June 30, 1937
  gan: Ravenel, Mazÿck P.
  Cyhoeddwyd: (1938)
• 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)