@misc{_Postcard,,
 howpublished={online},
 publisher={Mosella GMBT Trier},
 type={postcard},
 title={Postcard, bathing and theatrical performance in the Sopot seaside resort},
 title={Pocztówka, Badefeft und theatralifche Darftellung im Seebade Zoppot},
 keywords={Postcard, Grafic desing, Museum collections, Sopot Museum},
}