• publisher: The Hague : H.C. Susan, C.H. Zoon
  • creator: Jorritsma, T. A London School of Hygiene and Tropical Medicine
  • contributor: London School of Hygiene and Tropical Medicine.
  • Keyword: Smallpox. Electronic books.
  • years: 1860.
  • pages: 38 p. ;
  • language: dut
  • download: pdf file