International Symposium on Batteries (4th 1964 Brighton)
Column Research Council.
Symposium on Chemical Additives in Food (1965 Coventry Technical College)
Lester Cohen
Hirschl & Adler Galleries.
Ursula K. Le Guin
Concrete Reinforcing Steel Institute.
Conference on C.S.E. (1968 Leeds)
Paul-Émile Breton
Brooke Bergan
José Martiniano de Alencar
European Symposium on Urban Data Management (4th 1974 Madrid)
European Symposium on Medical Electronics (2nd 1967 London)
Matsushita, Mitsuo