@misc{Klaatsch_Hermann_(1863–1916)_Der_1922,
 author={Klaatsch, Hermann (1863–1916)},
 editor={Heilborn, Adolf (1873–1941). Elaborate},
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={1922},
 publisher={Deutsches Verl. Bong & Co.},
 language={ger},
 title={Der Werdegang der Menschheit und die Entstehung der Kultur},
 keywords={evolution of man, man -- origins, history of man, man -- beginnings, prehistoric communities, prehistoric civilizations, prehistoric cultures},
}