April 11, 2013, report by the Congressional Research Service which provides an overview of the United States’ history of foreign assistance to Israel.

Gallup provides polling and analysis on dozens of pressing topics in the United States, many of which involve religion.

The Arab American Institute (AAI) is a nonprofit organization committed to the civic and political empowerment of Americans of Arab descent through campaigns and elections as well as policy formulation and research.

The U.S. Religious Landscape Survey is an extensive survey by the Pew Forum on Religion & Public Life which details the religious makeup, beliefs and practices as well as social and political attitudes of the American public.

Nov 13, 2012, The Atlantic article about the weakening strength of Evangelicals in presidential elections, demonstrated in the 2012 election, and the increasing influence of minority voters in the U.S.

J. Matthew Wilson is an associate professor of political science at Southern Methodist University in Dallas. His interests include religion and politics, and voting behavior of religious voters.

Gerard Heather is a political science professor at San Francisco State University and an expert on religion and politics.

The Rev. John Putka is a Marianist priest and lecturer in political science at the University of Dayton in Ohio. Putka specializes in analyzing Catholic voting patterns and believes abortion is a key issue influencing the Catholic vote.

The Rev. Charles E. Bouchard, O.P., is a moral theologian and president of the Aquinas Institute of Theology, a Dominican graduate school in St. Louis.