Symposium on the Preservation of Normal Tissues for Transplantation (1953 : Ciba Foundation) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) Cameron, Margaret P. Etherington, Joan. Ciba Foundation.

Symposium on Humoral and Neurogenic Factors in Hypertension (1953 : Ciba Foundation) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) Cameron, Margaret P. Etherington, Joan. Ciba Foundation.

Symposium on Leukaemia Research (1953 : Ciba Foundation) Wolstenholme, G. E. W. (Gordon Ethelbert Ward), ed. Cameron, Margaret P. Etherington, Joan. Ciba Foundation.

Symposium on the Chemistry and Biology of Pteridines (1954 : Ciba Foundation) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) Cameron, Margaret P. Ciba Foundation. Wiley InterScience (Online service)