Critical Acclaim
Permalink

http://www.criticalacclaim.com
A topsites list featuring popular politically progressive pages and sites in categories such as blogs, resources, thinkers, texts & media, history and much more.

Third World Traveler
Permalink

http://www.thirdworldtraveler.com
The Third World Traveler site is a great general resource for progressive thinking. Abundant content is hosted on the site along with an exemplary set of links to offsite resources. In addition, its authors pages include numerous quotes from critcal thinkers of wide progressive thinking.

Questia
Permalink

http://www.questia.com
They call themselves "the world's largest online library." Many book,s by your favourite non-fiction authors are available free. Most books + journal, magazines and newspaper, articles available with subscription.