@misc{_Photographic,
 howpublished={online},
 publisher={Konrad W. Lukowski},
 type={postcard},
 title={Photographic postcard, Hotel und Gaststätte},
 title={Pocztówka fotograficzna, Hotel und Gaststätte},
 keywords={Postcard, Grafic desing, Museum collections, Sopot Museum},
}