Alex is/was an informal research project whose purpose was to explore the possibilities creating catalogs of Internet-based electronic texts. Originally conceived by Hunter Monroe in 1993-4, the catalog contains roughly 2,000 entries mostly on gopher servers. Maintenance of the Alex Catalog has been suspended until adequate funding and/or a systematic method for collecting electronic texts can be obtained.
An on-line bookstore. You can buy books here, or download electronic books that are in the public domain.