These pages contain material on the development of housing in Mülheim an der Ruhr, Kuusankoski and Darlington since the beginning of the Industrial Revolution. Interviews mit Bewohnern der Kolonie Mausegatt: Willi Loos, Hugo Schneider, Angelika vom Bruch (in German) The Change of Our Surroundings - housing in the Kuusankoski area Interviews and results of research on housing in Mülheim and Darlington.