| American Crystallographic Association Meeting |
1994 |
| 75th birthday celebrations for Nobel Laureates Hauptman and Karle |
1992 |
| American Crystallographic Association Meeting |
1991 |
| American Crystallographic Association Annual Meeting |
1988 |
| Lyle H. Jensen Symposium: Precision and Molecular Structures |
1986 |
| American Crystallographic Association Meeting |
1985 |
| Lyle Jensen's Laboratory |
1979 |
| NRCC Workshop: Cooperative Computer Code Generation for Crystallography |
1979 |
| Eighth Congress and General Assembly of the IUCr |
1969 |
| International Conference on Crystal Physics |
1957 |
United States