Passatempos matemáticos

[Hungary 1982; Monaco 1976; Netherlands 1973; Sweden 1985]

A geometria do espaço

[Austria 1981; Brazil 1953; Germany 1997; Great Britain 2001; Sweden 1982; Switzerland 1974; USA 1998, 2004]

Arte ótica

[Switzerland 2010]

Pintura do século XX

[France 1976, 1977; Great Britain 1999; Hungary 1979; Liberia 1997]

Matemática na natureza

[Bulgaria 1970; Germany 1968; Great Britain 1989; Hungary 1969; Luxembourg 1973; Switzerland 1961] 

Ano Mundial da Matemática 2000

 [Belgium 2000; Croatia 2000; Italy 2000; Korea 2000; Luxembourg 2000; Monaco 2000; Spain 2000]

Medalhas Fields

[Republic of Guinea 2008]