The founding Treaties (original versions and later updatings), the amending Treaties and the Accession Treaties for each of the six enlargements are published in the Official Journal of the European Union. You will find the Official Journal in the European Documentation Centre from 1992 - 1997.
EUR-Lex contains electronic copies of all Official Journals since the first edition. Effective 1 July 2013, the electronic edition of the OJ (e-OJ) is authentic and produces legal effects.
See for yourself below
