ESPOSIZIONI UNIVERSALI

1935:

Bruxelles (Belgio): yb85 88-89

1964-5: g64 22/7 21-24

1967: g68 8/3 11-14; g68 8/5 11; g67 8/9 24-29

1970: g70 22/12 9-12

1975: g78 8/2 26; g77 22/8 15

1982:

Knoxville (Tennessee, USA): g83 8/4 10-12

1984: g85 22/7 22-23

1985: g85 22/12 23-25