Transcript of an April 16, 2013, letter to President Barack Obama questioning the American drone program signed by several progressive religious leaders.

Asma Afsaruddin is chair of the Department of Near Eastern Languages and Cultures at the University of Indiana.

Helping Hand is an Islamic global humanitarian relief and development organization that focuses on Pakistan, India, Bangladesh, Afghanistan, Kenya and Iraq. Its American office is in Detroit.

The Islamic Medical Association of North America aims to provide a forum and resource for Muslim physicians and other health-care professionals, to promote a greater awareness of Islamic medical ethics and values among Muslims and the community at large, to provide humanitarian and medical relief and to be an advocate in health-care policy.

Winter/spring 2000 Georgetown Journal of International Affairs article which looked at the impact of religion on American foreign policy.

The Zakat Foundation of America provides assistance for food, shelter, clothing and transportation for poor and needy Muslims in the United States. It is based in Bethesda, Md.

The Arab Bankers Association of North America is a nonprofit organization that promotes cooperation and understanding between financial services in the Arab world and North America.

Islamic Finder is a web tool that enables users to search for mosques by ZIP code or city.

Salatomatic allows users to search by state and city for mosques and schools in the United States and around the world. It provides descriptions of mosques and contact information.