@misc{Liebenwein_Maximilian_(1869-1926)_Europa._[ca,
 author={Liebenwein, Maximilian (1869-1926)},
 title={Europa. Europe},
 address={Austria},
 year={[ca 1918]},
 language={ger},
 type={pocztówka},
 publisher={Winer Kunst},
 keywords={Karty pocztowe, Karty pocztowe -- 1900-1945},
}