@misc{Maguire_H._Rassenhunde_[ca,
 author={Maguire, H.},
 title={Rassenhunde},
 address={[s.l.]},
 year={[ca 1920]},
 language={pol},
 type={pocztówka},
 publisher={[s.n.]},
 keywords={Karty pocztowe, Karty pocztowe -- 1900-1945},
}