Domena publiczna (Public domain)
Dec 19, 2018
Aug 2, 2012
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https://dbc.wroc.pl./publication/17896
Diepenbrock, Melchior von (1798-1853)
Hohenlohe-Waldenburg-Bartenstein, Joseph Christian von (1740-1817)
Förster, Heinrich (1799-1881)
Franz, Adolph (1842-1916)