| N |
Année | Ville | Nb de volumes |
| 1 | 1897 | Zürich | 1 |
| 2 | 1900 | Paris | - |
| 3 | 1904 | Heidelberg | - |
| 4 | 1908 | Rome | - |
| 5 | 1912 | Cambridge (GB) | - |
| 6 | 1920 | Strasbourg | 1 |
| 7 | 1924 | Toronto | - |
| 8 | 1928 | Bologne | - |
| 9 | 1932 | Zürich | 1 |
| 10 | 1936 | Oslo | 1 |
| 11 | 1950 | Cambridge (USA) | 2 |
| 12 | 1954 | Amsterdam | 2 |
| 13 | 1958 | Edinburgh | 1 |
| 14 | 1962 | Stockholm | 1 |
| 15 | 1966 | Moscou | 2 |
| 16 | 1970 | Nice | 4 |
| 17 | 1974 | Vancouver | 2 |
| 18 | 1978 | Helsinski | 2 |
| 19 | 1983 | Varsovie | 2 |
| 20 | 1986 | Berkeley | 2 |
| 21 | 1990 | Kyoto | 2 |
| 22 | 1994 | Zürich | 2 |
| 23 | 1998 | Berlin | 3 |
| 24 | 2002 | Beijing | 3 |
| 25 | 2006 | Madrid | 3 |
| 26 | 2010 | Hyderabad | 4 |