sentences:  There were also regular 'colony hoppers' who moved about the art colonies of Europe in a nomadic fashion.Max Liebermann, for instance, painted at Barbizon, Dachau, Etzenhausen and at least six short-lived Dutch colonies; Frederick Judd Waugh worked in Barbizon, Concarneau, Grèz-sur-Loing, St Ives and Provincetown in the United States; Evert Pieters was active at Barbizon, Egmond, Katwijk, Laren, Blaricum, Volendam, and Oosterbeek; Elizabeth Armstrong Forbes painted at Pont-Aven, Zandvoort, Newlyn and St Ives.The greater number of early European art colonies were to be casualties of the First World War.