@misc{Engelmann_Wilhelm;_Engelmann_Theodor_Wilhelm_[List,
 author={Engelmann, Wilhelm; Engelmann, Theodor Wilhelm},
 address={Leipzig},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do Siegfrieda Brie - Brie 54]},
 keywords={Enrich Europeana Plus, correspondence},
}