Better Business Bureau Wise Giving Alliance

Center for Nonprofit Management

Center for the Study of Philanthropy

Changing Our World

Charity Navigator

Chronicle of Philanthropy

Community Foundations of America

Council on Foundations

Forbes Magazine

The Foundation Center

Giving USA

Guidestar

Indiana University Center on Philanthropy

Independent Sector

Internal Revenue Service

Just Give

Kiplinger’s Magazine

The National Center for Family Philanthropy

National Committee on Planned Giving

Nonprofit Online News

The Nonprofit Times

The Philanthropic Initiative

Philanthropy Journal

Philanthropy News Digest

The Philanthropy Roundtable

Philanthropy World Magazine

Volunteer Center of North Texas