| Name | Issues/Designs | |||
| CIMAC congress | 1979 | — | - ... | |
| 14th Conference of the ÖGB | 1999 | — | - ... | |
| 14th Congress International Association of Penal Law (AIDP) | 1989 | — | - ... | |
| 39th Congress of the International Institute of Statistics | 1973 | — | - ... | |
| European Family Congress | 1978 | — | - ... | |
| European Radiologist Congress | 1991 | — | - ... | |
| 23rd International Congress for Housing and Town Planning | 1956 | — | - ... | |
| 2nd International Congress of Catholic Church Music | 1954 | — | - ... | |
| 11th municipalities meeting | 1975 | — | - ... | |
| Occupational Medicine Congress | 1966 | — | - ... | |
| Summit of the State and Government Heads of the European Council | 1993 | — | - ... | |
| Trade Union Federation Congress | 1963 | — | - ... | |
| 10th Trade Unions Congress (Austria) | 1983 | — | - 10th Trade Unions Congress | |
| 15th UPU Congress | 1964 | — | - ... | |
| 16th World Road Congress | 1979 | — | - ... |