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.
Appointment of Topolnicki as head of the Durzyn (Wildflecken) school district by the Central Committee for School and Educational Affairs of the Polish Union in the American occupation zone