Late British diplomat David Goodall recalls the creation of the 1985 Anglo-Irish Agreement

State Papers: Haughey and Thatcher only held one hour of discussions in the year

Analysis: Records suggest she was irascible on Ireland, shallow and very often uncertain on detail

Taoiseach complained of PM’s ‘constant bickering’ after Fr Patrick Ryan arrest

State papers show the taoiseach and the British PM 'at loggerheads' over the IRA

Files from 1988 show prime minister was angry at Garda and Haughey response to IRA

State Papers: 1987 files describe mission to promote Anglo-Irish Agreement

Taoiseach’s department argued sensitive issues should be dealt with by a cabinet committee

‘It is important we press to have questions disallowed wherever possible,’ official advised

Fianna Fáil leader told Northern secretary party ‘going berserk’ over UK co-operation

State Papers 1987: Then taoiseach jokingly asked for loan of ‘£2bn or so’ from British PM

The nightmare for any Irish government was the extradition of an innocent citizen who would be wrongly jailed

State Papers 1986: the year after agreement was signed relations remained complex

Business success of the Barry’s Tea owner was secondary to his political impact