I'm working on a little project on the early history of bibliographic linking. I'm looking for examples where plain-text documents with ISBNs or ISSNs were auto-linked to library catalogs or Amazon or whatnot. Any nominations for who did this first and documented it? Eric Eric Hellman President, Gluejar.Inc. Founder, Unglue.it https://unglue.it/ http://go-to-hellman.blogspot.com/ twitter: @gluejar