REFERENCES
- Guiteras, Juan (1921). Observations on Yellow Fever in a Recent Visit to West Africa. Sanidad y Beneficenci., Vol. XXV, p. 21.
- Hoffmann, W. H. (1921). Das Gelbfieber in Westafrika. Arcb. f. Scbiffs-u. Trop.-Hyg., Vol. XXV, p. 291.
- Peterson, E. (1922). Yellow Fever in St. Thomas, with special reference to its spontaneous elimination. U.S. Naval Medical Bulleti., Vol. XVII, p. 555.
- Report on Certain Outbreaks of Yellow Fever in 1910 and 1911. Waterlow & Sons, London (1913).
- Yellow Fever Commission (West Africa) Fourth and Final Report. J. and A. Churchill, London. (1916), p. 255.