1987 The 11th Biennial Exhibition of Book Illustrations for Children, Bratislava
Poland 1971 -The 25th Anniversary of UNICEF (the United Nations Children's Emergency Fund)
1971 Biennial Exhibition of Book Illustrations for Children, Bratislava
1989 The 12th Biennial Exhibition of Book Illustrations for Children
Germany, Federal Republic 1999 - SOS children village 1v
Soviet Union 1989 - Pictures by Soviet Children
UN New York 1979- International Year of the Child
1979 International Year of the Child and Biennial Exhibition of Children's Book Illustrations, Bratislava
1991 The 13th Biennial Exhibition of Book Illustrations for Children
1978 The 50th Anniversary of the Y.W.C.A. Girl Scouts