@misc{Putzger_Friedrich_Wilhelm_(1849–1913)_F._1930,
 author={Putzger, Friedrich Wilhelm (1849–1913) and Pehle, Max (1881–1939). Oprac. and Silberborth, Hans (1887–1949). Oprac.},
 copyright={Public Domain},
 address={Bielefeld},
 address={Leipzig},
 howpublished={online},
 year={1930},
 publisher={Verlag von Velhagen & Klasing},
 language={ger},
 title={F. W. Putzgers Historischer Schul-Atlas},
 type={Image},
 keywords={historical atlases, school atlases, maps, Earth},
}