@misc{_A,
 howpublished={online},
 type={ephemeral printing},
 title={A ticket to the Forest Opera in Sopot for the opera performance of Richard Wagner "Tannhauser"},
 title={Bilet do Opery Leśnej w Sopocie na przedstawienie operowe Richarda Wagnera „Tannhauser”},
 keywords={Sopot Museum, Museum collections, Ephemeral printing, Sopot (Pomeranian Province)},
}