An international nomenclature of yaws lesions /
by C.J. Hackett in co-operation with an international group of experts on yaws and participants at the International Conference on Yaws Control, Enugu, Nigeria, 1955.
- Geneva : World Health Organization, 1957.
- World Health Organization. Monograph series ; no. 36 .
- Monograph series (World Health Organization) ; no. 36. .