The future of philanthropic foundations - Symposium on the Future of Philanthropic Foundations (Elsevier/Excerpta Medica/North-Holland, 1975)
"Held jointly with the Josiah Macy Jr. Foundation."
"Ciba Foundation 25th Anniversary Symposium on the Future of Philanthropic Foundations held jointly with the Josiah Macy Jr. Foundation at the Ciba Foundation, London, on 17-19 June 1974"--Participants page.