RT Book T1 Cries unheard: the story of Mary Bell A1 Sereny, Gitta 1923-2012 LA Undetermined PP London u.a. PB Macmillan YR 1998 ED 1. publ. UL https://krimdok.uni-tuebingen.de/Record/1625133367 SN 0333735242 K1 Bell : Mary : 1957- K1 Murderers : England : Newcastle upon Tyne : Biography K1 Juvenile homicide : England : Newcastle upon Tyne K1 Bell, Mary Flora : 1957-