Four reports on yellow fever in Nigeria during 1913 / by E.J. Wyler.

  • Wyler, Edwin Joseph.
Date:
[1915](repr.)
Catalogue details

Licence: In copyright

Credit: Four reports on yellow fever in Nigeria during 1913 / by E.J. Wyler. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    Fig. I. Forcados. A main road. photograph illustrates (I) the manner in which the roads are raised above the o-eneral swamp level ; (II) a tidal ditch. ^ by means of an intersecting system of such ditches that the swamp is drained. C. Thilinq Co., Lid., Imp.