@misc{Abs_Hugo_Die,
 author={Abs, Hugo},
 howpublished={online},
 publisher={Danziger Verlags-Gesellschaft},
 language={lat},
 title={Die Matrikel des Gymnasiums zu Elbing 1598-1786},
 type={książka},
 keywords={Gimnazjum Elbląskie, matrykuła},
}