@misc{Werff_Adriaen_van_der_Adriaen_1920,
 author={Werff Adriaen, van der},
 abstract={awers},
 title={Adriaen van der Werff, Verstossung der Hagar},
 address={Dresden (Drezno)},
 year={1920 ca},
 type={pocztówka},
 publisher={Stengel&Co.},
}