I don't know what you'd consider a link. The web only came into being around 1993 or so. In academia, it's not uncommon for me to come across FTP directories w

I don't know what you'd consider a link. The web only came into being around 1993 or so. In academia, it's not uncommon for me to come across FTP directories with files that have been sitting there since the early 1990s.