 The Cistercian Abbey of Our Lady of Spring Bank, in Sparta, Wisconsin, from 2001 to 2011 supported itself with a group called "Laser Monks", which provided laser toner and ink jet cartridges, as well as items such as gourmet coffees and all-natural dog treats.Additionally, the Cistercian monks of Our Lady of Dallas monastery run the Cistercian Preparatory School, a Catholic school for boys in Irving, Texas.There are a large number of Cistercian nuns; the first community was founded in the Diocese of Langres in 1125; at the period of their widest extension there are said to have been 900 monasteries, and the communities were very large.