Dan P. Silverman (1993). "Fantasy and Reality in Nazi Work-Creation Programs, 1933-1936". The Journal of Modern History. 65 (1): 113–151. doi:10.1086/244609. S2CID143888997.
Dan P. Silverman (1993). "Fantasy and Reality in Nazi Work-Creation Programs, 1933-1936". The Journal of Modern History. 65 (1): 113–151. doi:10.1086/244609. S2CID143888997.