ðə twˈɛnti vˈɑːljuːmz ʌvðɪ ɛnsˌaɪkloʊpˈiːdiə wɜː pˈʌblɪʃt səksˈɛsɪvli bᵻtwˌiːn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈoːɹ ænd tˈuː θˈaʊzənd wˈʌn; ɐ wˈʌnvˈɑːljuːm sˈʌplɪmənt wʌz pˈʌblɪʃt ɪn tˈuː θˈaʊzənd tˈuː ænd tˈuː ˈɪndɛks vˈɑːljuːmz ɪn tˈuː θˈaʊzənd θɹˈiː.
The 20 volumes of the encyclopedia were published successively between 1994 and 2001; a one-volume supplement was published in 2002 and two index volumes in 2003.