Your search for "gordon kellenberger" revealed the following:

Red Barn by Gordon Kellenberger

Red Barn by Gordon Kellenberger

Sheep on Hillside by Gordon Kellenberger

Sheep on Hillside by Gordon Kellenberger

Bale Patterns by Gordon Kellenberger

Bale Patterns by Gordon Kellenberger

Glowing Light by Gordon Kellenberger

Glowing Light by Gordon Kellenberger