-- Register on special sites and use their archives.

-- Call the reference desk at a local college if you need a proprietary Web site. Many college libraries subscribe to these services and provide free on-site searching (and a friendly trained librarian to help you).

-- Check the Web site of your local public library. Many libraries offer free remote online access to commercial and research databases for anyone with a library card.

Summary

The Deep Web contains valuable resources not easily accessible by automated search engines but readily available to enlightened searchers.