Cika wannan jumla: Yawancin ayyukan Kaplický sune almara na tarihi wanda ya shafi lokacin daga Yaƙin Hussite a ƙarni na 15 zuwa juyin juya halin juyin juya hali na 1848. Littafinsa "Kladivo na čarodějnice" (1963), game da
shari'ar maita a arewacin Moravia a lokacin 1670s shine mafi sanannun saboda ya zama tushen fim na Otakar Vávra ("Malleus Maleficarum", wanda aka fassara shi da "Hammer na Witches" ko "Witchhammer").