| Autor | Títulos | | 1.
| Internationaal Colloquium, 8-10 October 1959 | 1 | | 2.
| Internationaal Cultureel Centrum (Antuérpia, Bélgica) | 8 | | 3.
| Internationaal Historisch Colloquium, Bruges, 1995 | 1 | | 4.
| International African Institute | 1 | | 5.
| International Architectural Exhibition, 09, Veneza, 2004 | 0 | | 6.
| Ver: Biennale di Venezia. Mostra internazionale di architettura, 09, Veneza, 2004 | 3 | | 7.
| International Architectural Paint Research Conference, Nova Iorque, 2008 | 1 | | 8.
| The International Art Exhibition Japan 4 1957 | 1 | | 9.
| International Art Fair, 10, Basileia, 1978 | 1 | | 10.
| International Art Fair, 10, Basileia, 1979 | 1 | | 11.
| International Art Fair, 32, Basileia (Suíça), 2001 | 1 |
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