Helmut Sturm: Obras

• The Blue Phantom, 1961
• Untitled, 1961
• Untitled, 1961
• Untitled, 1964
• Untitled, 1978
• Untitled, 1980
• Untitled, 1983
• Untitled, 1984
• Untitled, 1985
• Untitled, 1989
• Untitled, 1992
• Untitled, 1997
• Untitled, 2001
• Untitled, 2001
• Untitled, 2002