Contemporary Gallery:

Ted Lindberg of Sonia:
"Cornwall is a legitimately modernist painter. Her painting is tough, directly stated."

William Matthews:
"Sonia's painting is much more than a mirror of a passing way of life. Her tree paintings, the cattle paintings, the sunflower oils have become portraits (Sonia admits this), and the singular element found in many of her landscapes (the lone poplar) reveal her place within nature - her art becoming a spiritual reflection."