Paris 1952 (CIAM)
Stockholm 1952 (CIAM)
Lisbon 1952
Aix en Provence 1953 (CIAM)
England 1954
La Sarraz 1955 (CIAM)
Vienna 1956 (?)
Warsaw 1956 (UIA)
Paris 1957
Berlin 1957
Prague 1958 (UIA)
Moscow 1958 (UIA