@misc{_Photographic,
 howpublished={online},
 publisher={C. Ziemssens Buchhandlung},
 type={postcard},
 title={Photographic postcard, Kasino Zoppot, Grosser Roulette-Saal},
 title={Pocztowka fotograficzna, Kasino Zoppot, Grosser Roulette-Saal},
 keywords={Postcard, Grafic desing, Museum collections, Sopot Museum},
}