Commentary Magazine is a monthly neo-conservative magazine that focuses on politics and current events. John Podhoretz is editorial director.

ReligiousTolerance.org posts a collection of polls. The most recent are at the bottom of the site.

United Muslims of America is a nonpartisan public affairs organization that works to promote the participation of Muslims in American public life, including economics, education and politics. The nonprofit organization is based in Sunnyvale, Calif., and is supported by membership fees.

A Gallup/USA Today poll released in December 2012 found that religious beliefs were the reason most often cited as the basis for opposing same-sex marriage.

Gallup conducts a “values and beliefs” survey each May. Read about the 2012 results, which included a finding that 50 percent of Americans favor making same-sex marriage legal.

See a survey released March 20, 2013, by the Pew Research Center for the People & the Press on Americans’ attitudes on same-sex marriage. The survey included questions on whether same-sex marriage violates religious beliefs.

PollingReport.com posts recent polls on same-sex marriage. Newest ones are at the top.

The Jewish Coalition for Service promotes volunteerism among Jews as a fulfillment of tikkun olam, the Jewish concept of “repairing the world.” David Eisner is president and CEO.

HIAS, originally known as the Hebrew Immigrant Aid Society, has worked since 1881 to provide rescue, resettlement and reunion services to Jews in need throughout the world and to other oppressed migrants. Its headquarters are in Silver Spring, Maryland. Mark Hetfield is president, and Beth Oppenheim is CEO.