General Lists of Journals, Magazines
and Periodicals on the Web

Allacademic.com: This search engine catalogs free (only free) academic publications on the Internet. Searchable by: Keyword, Author, Publication Title, Article Title. Each Word under the search box is a link to that specific type of search, default is keyword.
ARL Directory of Electronic Publications, 5th Ed.
Campus Newspapers
Electronic Journals: A Selected Resource Guide.
Ejournal SiteGuide: a MetaSource
Highwire Press@Stanford University: One of the largest indexes of free periodicals on the net. In this case, "free" means free trials, free back-issues, etc.
The NASA Astrophysics Data System: The Astrophysics Data System (ADS) is a NASA-funded project that provides free access to the full text of articles in astronomy and astrophysics. Most of the major astronomical journals are included. In many cases articles published in the current year are not available through ADS. Articles are available in PDF, GIF, or other electronic formats.
NewJour Archive
Yahoo -- Entertainment: Magazines
Zines: Etext Archives