Book, Walter Harper and the Farmers Historical information "Walter Harper and the Farmers" - John Sandford, 1955. History of the Westralian Farmers Co-operative Limited and its founder, Walter Harper. Westralian Farmers was founded in 1914 and merged with Dalgetys in 1993, becoming Wesfarmers-Dalgety. Subjects agriculture wool sales, westralian farmers co-operative limited, harper, mr walter, agriculture, wool sales