October 1961, Paris :

International Joint Secretarial Liaison Committee

July 1966, Newmarket :

Meeting of International Stewards

October 1967, Paris :

International Conference organized by the Société d'Encouragement

October 1971 :

European Pattern Committee

October 1976 :

International Stud Book Committee

December 1977 :

International Classifications

1983 :

- International Cataloguing Standards Committee
- Society of International Thoroughbred Auctioneers