Wilhelm Grebe was one of Adolf Hitler's architects. Grebe noted that there were at least seventy different types of indigenous architecture in Nazi Germany and that in the future it would be impossible to preserve all of them; standardization throughout Germany might be necessary in the future. Furthermore, he warned, it might prove impossible to use local materials in every case:
Here was a suggestion for mass production of material for indigenous peasant architecture, which surely ran counter to everything volkisch writers sought.