@misc{Langier_Tadeusz_(1877-1940)_Piechota,
 author={Langier, Tadeusz (1877-1940)},
 howpublished={online},
 publisher={Naczelny Komitet Narodowy},
 language={pol},
 type={iconic document},
 title={Piechota w marszu},
 keywords={eastern front, infantry, austro-hungarian soldiers, postcards},
}