1. The National Archives, UK, Director of Public Prosecutions, DPP 2/5300-1, Collingbourne, Anthony and others: offences committed under the Obscene Publications Act 1959 on dates between 1 June 1971 and 14 May 1973.
2. The National Archives, UK, Director of Public Prosecutions, DPP 2/5300-2, Collingbourne, Anthony and others: offences committed under the Obscene Publications Act 1959 on dates between 1 June 1971 and 14 May 1973.
3. The National Archives, UK, Director of Public Prosecutions, DPP 2/5301-1, Collingbourne, Anthony and others: offences committed under the Obscene Publications Act 1959 on dates between 1 June 1971 and 14 May 1973.
4. The National Archives, UK, Director of Public Prosecutions, DPP 2/5301-2, Collingbourne, Anthony and others: offences committed under the Obscene Publications Act 1959 on dates between 1 June 1971 and 14 May 1973.
5. The National Archives, UK, Director of Public Prosecutions, DPP 2/5302, Collingbourne, Anthony and others: offences committed under the Obscene Publications Act 1959 on dates between 1 June 1971 and 14 May 1973.