Citing sources using MLA style format.  -- Purdue Handout

On-Line Writing Labs:
Many with handouts and opportunities for solicitiing on-line writing advice.

Purdue Online Writing Lab
 

Online Tutoring and Writing groups:

Cybertutoring and The Writery at the University of Missouri
University of Michigan OWL

News magazine sites:

Newstand -- a list of on-line news magazines. 
Ball State University Library's Electronic Journals and News sources
Search the Sleuth NewsTracker
The Nation -- On Line
Yahoo News and Media Search

Advice about writing effective essays:

The Art of Writing the Effective Essay -- US News OnLine