Study for Bus Terminus I  1973

Study for The Bus Stop  2009

Study for Red Arrow I  1973

Bus Terminus  1973

Study for Jacob Descending  1979

Study for the Yellow Truck 

Second Study for Monument and Car Park 

Study for Motel Swimming Pool 

Study for Prudhoe Bay Landscape  1974

Study for Satellite Receiver  1974

Study for Waiting for the Train  1969