@misc{Siemens-Helmholz_Ellen_von_[List,
 author={Siemens-Helmholz, Ellen von},
 address={[Warmsee]},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do Otto Lummera - Lum. 263]},
 keywords={Enrich Europeana Plus, correspondence},
}