2004
Gallery Luisotti, 1978
Gallery Luisotti, 2002
Gallery Luisotti, 2004
Charina Endowment Fund, 1985
Charina Endowment Fund, 2017
Ursula Schulz Dornburg, 2000
Ursula Schulz Dornburg, 2001
Charina Endowment Fund, 1979
Gallery Luisotti, 1973
Ursula Schulz Dornburg, 1980
Ursula Schulz Dornburg, 1991
