@misc{Schumacher_Bruno_Die,
 author={Schumacher, Bruno},
 howpublished={online},
 publisher={Emil Rautenberg},
 language={ger},
 title={Die Missionsidee des Deutschen Ordens},
 type={nadbitka},
 keywords={Zakon Krzyżacki - historia, Schumacher, Bruno (1879-1957)},
}