PubList uses sources such as R.R. Bowker's Ulrich's "International Periodicals Directory" to provide bibliographic data for more than 150,000 domestic and international print and electronic publications.
Search Engines vs. Directories -- a Search Engine, such as Alta Vista, Webcrawler, Lycos, and HotBot, is created by computer program that goes out onto the Internet and indexes information found on servers. A Directory , such as Yahoo and Magellan, is created by human beings adding sites to a database. Read The Spider's Apprentice which explains how they work.
World of Reading - online access to a fully cross-referenced collection of high-quality reference books, including encyclopedias, dictionaries, thesauri, books of quotations.
