@misc{Bertram_Adolf_(1859-1945)_Hirtenbrief,
 author={Bertram, Adolf (1859-1945)},
 howpublished={online},
 publisher={B. Kühlen},
 language={niemiecki},
 type={brochure},
 title={Hirtenbrief über die christliche Caritas},
 keywords={1901-2000, 1914-1918, Listy pasterskie, Religia i duchowość},
}