The webapp provides for each item the link on ECB's website.
Speeches for : Tommaso Padoa-Schioppa where "accession" appeared
2004-10-21 : Enlargement and “old” Europe: Blow or Blessing?2004-02-02 : Exchange rate issues relating to the acceding countries
2002-11-04 : Trajectories towards the euro and the role of ERM II
2002-03-22 : Accession Countries on the Way to the Euro: A Central Banker's View,
2000-12-21 : High-level seminar with the EU-candidate countries
1999-11-12 : ECB press conference following the Helsinki seminar on the EU accession process