RT Book T1 The Stalker affair A1 Doherty, Frank LA English PP Cork PB Mercier YR 1986 UL https://krimdok.uni-tuebingen.de/Record/1639641874 CN HV8198.A2 SN 085342795X K1 Ireland.++Garda Síochána.++Infiltration by British secret services,++to 1985 K1 Ireland++Garda Síochána K1 Secret service++Great Britain++History++20th century