@misc{Putzger_Friedrich_Wilhelm_(1849–1913)_F._1931, author={Putzger, Friedrich Wilhelm (1849–1913) and Pehle, Max (1881–1939) and Silberborth, Hans (1887–1949). Oprac.}, copyright={Public Domain}, address={Bielefeld}, address={Leipzig}, howpublished={online}, year={1931}, publisher={Verlag von Velhagen & Klasing}, language={ger}, title={F. W. Putzgers Historischer Schul-Atlas}, title={Historischer Schul-Atlas}, title={Friedrich Wilhelm Putzgers Historischer Schul-Atlas}, type={Image}, keywords={historical atlases, school atlases, 20th century}, }