Liberal and Radical Perspectives:
The Economic Policy Institute. The Center on Budget and Policy Priorities. The Center for Law and Social Policy. The Century Foundation. The Open Society Foundations.
Moderate and Neutral Perspectives:
The Annie E. Casey Foundation. The Rand Corporation. The Brookings Institution. The Pew Charitable Trusts ("the power of knowledge to solve today's most challening problems"). The Woodrow Wilson Center and its program and project publications. The Center for International Policy. The Council on Foreign Relations. The World Policy Institute.
Conservative and Libertarian Perspectives:
The Hoover Institution (this could also be considered non-partisan) The American Enterprise Institute for Public Policy Research (more moderate) The Cato Institute. The Heritage Foundation. Atlas Economic Research Foundation. The Concerned Women for America's Beverly LaHaye Institute. The New Coalition for Economic and Social Change.
Services:
Magazines:
Poetry and Literature:
Some other reference sources: