Letter from the IRO Welfare Officer to Headmaster A. Topolnicki about the provision of assistance to the school if the teachers are willing to continue working.
Exhibition room 2 with more in-depth materials on the biographies of the children and all aspects related to the crime, Bullenhuser Damm memorial site, Hamburg
Certificate of employment for A. Topolnicki about his work as a teacher at the primary and secondary school in Durzyn (Wildflecken) since 18 August 1945.