And there are no standard reference works which will tell them where to look. So it seems only reasonable to include the place where the archives of a source are to be found. This also happens to be its Bitnet address. Another Internet list could call itself Linguist too. Two questions, Stephen.
Machines die, and domain configurations change.
Other questions come to mind, now that I'm thinking about the matter. The archive site is not important unless we have a semi-permanent address. If FTP is meant in its generic sense, then capital- ize this as well.