@misc{Schaefer_Dietrich_[List,
 author={Schaefer, Dietrich},
 address={Steglitz},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do Siegfrieda Brie - Brie 171]},
 keywords={Enrich Europeana Plus, correspondence},
}