Spikes which the Cato Street conspirators were planning to use to display the heads of the Prime Minster and Cabinet had the plot not been thwarted.

Secret message by Cato Street conspirators who had planned to assassinate the Prime Minister and Cabinet in 1820.

Memo concerning the request to improve security at the Iranian Embassy, just days before the siege on 30 April 1980.

Cabinet Office report on ‘Operation Unthinkable’, a secret plan drawn up at the end of the Second World War for the UK and US to go to war with Russia.

Personal Minute from the Prime Minister to the Home Secretary questioning the use of the 1735 Witchcraft Act in modern courts.

Newspaper cutting relating to the case of Helen Duncan, sentenced to nine months imprisonment for witchcraft, 1944.

BC 3/204 (20). Extract summing up the trial for blasphemous libel against Gay News Limited, 1977.

BC 3/204 (3). Details of the offence relating to the blasphemous libel conviction against Gay News Limited, 1977.

BC 3/204 (2). Legal conviction against Gay News Limited for blasphemy, 1977.

Letter to Prime Minister Margaret Thatcher with her hand-written comments about banning the Scientology religious group, 1979. Full document available to download.