@misc{Niederle_Bertha_Der,
 author={Niederle, Bertha},
 howpublished={online},
 publisher={Otto Harrassowitz},
 language={ger},
 title={Der Nachlass Josef Kainz},
 type={książka},
 keywords={Austria - teatr - 20 w., Kainz, Josef (1858-1910), biografie},
}