Michael Stolleis, „Origins of the Welfare State: Social Policy in Germany to 1945” Springer Verlag, Heidelberg-New York-Dordrecht-London 2013, seria wydawnicza German Social Policy, t. 2, ISBN 978-3-64222521-5, ss. 188
Michael Stolleis, „Origins of the Welfare State: Social Policy in Germany to 1945” Springer Verlag, Heidelberg-New York-Dordrecht-London 2013, seria wydawnicza German Social Policy, t. 2, ISBN 978-3-64222521-5, ss. 188