Ciba Foundation Symposium on Tumour Viruses of Murine Origin (1961 : University of Perugia) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) O'Connor, Maeve. Ciba Foundation. Università di Perugia.

Colloquium on Detection and Assay of Hormones by Immunochemical Means (1961 : London, England) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) Cameron, Margaret P. Ciba Foundation. Wiley InterScience (Online service)

Ciba Foundation Symposium on Transplantation (1961 : London, England) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) Cameron, Margaret P. Ciba Foundation. Wiley InterScience (Online service)

Symposium on Bilharziasis (1962 : Cairo, Egypt) Wolstenholme, G. E. W. (Gordon Ethelbert Ward) O'Connor, Maeve. Bilharz, Theodor, 1825-1862. Ciba Foundation.