* Earth Science Australia, Wind Power and Windmills* The International Molinological Society* Windmills at Windmill World* Mill Database, Belgium and Netherlands* A Geograph article and photo-record of Windmills in Great Britain
11 (1930–31)== External links ==* Earth Science Australia, Wind Power and Windmills* The International Molinological Society* Windmills at Windmill World* Mill Database, Belgium and Netherlands* A Geograph article and photo-record of Windmills in Great Britain