| Author | Titles | | 1.
| International Art Fair, Basileia (Suíça), 1977 | 1 | | 2.
| International Art Fair, Basileia (Suíça), 1978 | 1 | | 3.
| International Art Forum, 1, London, 2004 | 1 | | 4.
| International Art Show, 36, Basileia (Suíça), 2005 | 1 | | 5.
| International Art Show, 36, Basileia (Suíça), 2006 | 1 | | 6.
| International Art Show, 39, Basileia, 2008 | 1 | | 7.
| International Association of Empirical Aesthetics | 1 | | 8.
| International Bank for Reconstruction Development (Washington D.C., Estados Unidos) | 1 | | 9.
| International Biennal Exhibition of Prints, 08, Tokyo, 1972 | 1 | | 10.
| International biennale de la Gravure, 04, Cracóvia, 1972 | 1 |
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