| Author | Titles | | 1.
| International Conference on Portable Architecture, Londres, 1997 | 1 | | 2.
| International Conference on Structural Studies of Historical Buildings, 04, Creta, 1995 | 2 | | 3.
| International Conference on Structural Studies, Repairs and Maintenance of Historical Buidings, 03, Bath, 1993 | 1 | | 4.
| International Conference on the History of Ethiopian Art, 5o, Arrábida (Portugal), 1999 | 1 | | 5.
| International Congress of Byzantine Studies, 13, Oxford, 1966 | 1 | | 6.
| International Congress of Iranian Art, (Leningrado, Rússia) | 1 | | 7.
| International Congress of Modern Architecture (CIAM), 10, Dubrovnik (Croácia), 1956 | 1 | | 8.
| International Congress of Modern Architecture (CIAM), Otterlo (Holanda), 1959 | 1 | | 9.
| International Congress of Numismatics, 10, London, 1986 | 1 | | 10.
| International Congress of the History of Art, 20, New York (Estados Unidos), 1961 | 1 |
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