@misc{Kirchhoff_Gustav_Robert_(1824-1887)_[List,
 author={Kirchhoff, Gustav Robert (1824-1887)},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do Otto Lummera - Lum. 121]},
 keywords={Enrich Europeana Plus, correspondence},
}