These files are archives of some of fj.* (From Japan) network news newsgroups. Collected ancient articles dated from late 1980's to 1990's. Latest compile date-time is Mon, 18 Oct 2004 15:18:22 +0900 , and it is stamped in each article as X-reformat-date: in the header. Please remember, each article in the archives is copyrighted and NOT FREE. But it is a broadly accepted custom to redistribute fj.* newsgroup archive as a whole without isolating some articles from collective package of a newsgroup. Please refer http://katsu.watanabe.name/ancientfj/ for more info about the archives.