As an Opole Katyń Family ’s associate he travelled in June 1992 to the places of the Poles ’ martyrdom in Russia ( Twer , Ostashkov , Miednoje , Katyń ) and wrote three books about Katyn massacre : '' Following the Route of Crime – Ostashkov , Twer , Miednoje '' ( literary report ) ; '' Following the Route of Crime II . Opole ’s Inhabitants in the Katyń Cause '' ( literary report and essays , with the preface written by Prelate Zdzisław J. Peszkowski ) ; '' Chopped off the Trunk '' ( poems published for the 70th anniversary of the Katyń Crime , the preface by the Marshal of Opole Voivodeship ) . The text of his '' Katyń prayer '' is written on the commemorative plaque ( engraved by Marian Nowak ) placed in Opole Cathedral ( in the Chapel of John the Good )
Katyn massacre
Katyn massacre
Harry Duda