These are some websites that may be helpful in your research. They cover topics ranging from ebooks written by historically famous philosophers to various public opinion and social issue websites.
Additional Philosophy works can be found at Project Gutenberg such as Hobbes' Leviathan. Any work by a philosopher that is out of copyright (roughly published before 1930) should be available for free online.
Amnesty International is a global movement of people in over 150 countries and territories who campaign to end abuses of human rights. Contains news; features; actions; video and audio; information about countries, campaigns and issues. Produces reports, press releases, appeals for action and newsletters each year.
Provides a forum for identifying, highlighting and developing responses to today's human rights challenges worldwide, and acts as the principal focal point of human rights research, education, public information, and human rights advocacy activities in the United Nations system.
A nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling.